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Aquarium air equipment is an essential part of any healthy aquarium setup. Air circulation helps stabilize PH as well as provide necessary oxygen for respiration. Aquarium air pumps will also help give your aquarium tank a more dynamic look when used with air stones and flexible air diffusers. We carry a great selection of aquarium air pumps, heavy-duty linear air pumps, regenerative blowers, battery backup air pumps, air valves and fittings, and aquarium air diffusers.

At AquaCave, we offer some of the best selection & best prices on aquarium air equipment and supplies, Aquarium Air Supplies, Air Pumps, Diffusers, Valves, Tubing for you marine, reef and freshwater aquarium.

  •  Hiblow HP-100 Air Pump   Hiblow HP-100 Air Pump   Hiblow HP-100 Air Pump

    Hiblow

    Hiblow HP-100 Air Pump

    Hiblow HP-100 Septic Air Pump Hiblow USA has been providing reliable and durable air pumps to maintain your septic system since 2002. Providing clean water and safe disposal of waste is Hiblow’s priority, and their septic air pumps live up to the hype...

    $499.99
  •  Hiblow HP-100LL Air Pump   Hiblow HP-100LL Air Pump   Hiblow HP-100LL Air Pump   Hiblow HP-100LL Air Pump   Hiblow HP-100LL Air Pump

    Hiblow

    Hiblow HP-100LL Air Pump

    Hiblow HP-100LL Septic Air Pump Maintaining your septic system can require a lot of time and care. A dependable septic air pump, however, will keep your aerobic septic system functioning properly and leave you confident that waste is being removed...

    $499.99
  • Aqua UV Ozone/UV Combo 25 Watt  2" - White Aqua UV Ozone/UV Combo 25 Watt  2" - White

    Aqua Ultraviolet

    Aqua UV Ozone/UV Combo 25 Watt 2" - White

    Aqua UV Ozone/UV Combo 25 Watt 2" - White Available Ozone/UV 25 Watt Series Units: Ozone/UV 25 Watt Unit(PN: A00223) Ozone, 25 Watt Unit, 2″ Inlet/Outlet, White, 120V/60Hz Specifications Dimensions: 22” x 3-3/4” x 6” Number of...

    $498.14
  • Whitewater WW-60 Regenerative Blower Whitewater WW-60 Regenerative Blower

    Whitewater

    Whitewater WW-60 Regenerative Blower

    Whitewater WW-60 Regenerative Blower The Whitewater® Blowers are a very good value for aquariums, pet stores, bait systems, and seafood holding systems. They are smaller, lighter, and quieter than most blowers and very energy efficient. They feature...

    $474.02
  • Pentair Pond Aeration Systems - Small #KPA3-A

    Pentair Aquatics

    Pentair Pond Aeration Systems - Small #KPA3-A

    Pentair Pond Aeration Systems - Small #KPA3-A This Pentair Aquatic Eco-Systems aeraton system is the best way to aerate a pond! It is the most economical, energy-efficient way to circulate, destratify and aerate because so much water is moved by so...

    $460.04
  • Pond Master Pond Air Pump Model AP-100

    Danner

    Pond Master Pond Air Pump Model AP-100

    Pond Master Pond Air Pump Model AP-100 For Freshwater & Saltwater Aquariums All Supreme Air Pumps achieve high output by using a time-proven diaphragm design. Supreme Air Pumps can be used for large or multiple aquarium aeration and...

    $442.99
  • Alita AL120 Linear Air Pump Alita AL120 Linear Air Pump Alita AL120 Linear Air Pump

    Alita

    Alita AL120 Linear Air Pump

    Alita AL120 Linear Air PumpDesigned to deliver high volume of steady air flow at low-pressure ranges, ALITA Linear Air Pumps are of high efficiency, low energy consumption and perform with extremely low operating noise level. With no sliding parts...

    $440.00
  • Hiblow HP-80A Air Pump with Alarm Hiblow HP-80A Air Pump with Alarm Hiblow HP-80A Air Pump with Alarm

    Hiblow

    Hiblow HP-80A Air Pump with Alarm

    Hiblow HP-80A Air Pump with Alarm The Hiblow HP-80-017A Septic Air Pump is the most commonly used septic air pump used in an aerobic septic system.Most systems are 500 to 600 GPD systems and need an 80 liter per minute septic air pump to process that...

    $429.99
  • Whitewater WW-39 Regenerative Blower Whitewater WW-39 Regenerative Blower

    Whitewater

    Whitewater WW-39 Regenerative Blower

    Whitewater WW-39 Regenerative Blower The Whitewater® Blowers are a very good value for aquariums, pet stores, bait systems, and seafood holding systems. They are smaller, lighter, and quieter than most blowers and very energy efficient. They feature...

    $419.79
  • Pressure Relief Valve Assembly, 2" Pressure Relief Valve Assembly, 2"

    Sweetwater

    Pressure Relief Valve Assembly, 2"

    Pressure Relief Valve Assembly, 2" for S45, S453, S51, S553, SD5 Designed for low-pressure blowers, these valves will automatically protect blowers from over-pressurization by discharging air to the outside. The valve assembly is easy to install and...

    $399.99
  • Great Lakes 6-Diffuser Manifold Great Lakes 6-Diffuser Manifold

    Pentair Aquatics

    Great Lakes 6-Diffuser Manifold

    Great Lakes 6-Diffuser Manifold All are self-weighted and include a plastic underlay that prevents sediment erosion The diffusers included as part of the ALP4 assembly are made of glass-bonded silica, are virtually indestructible and will give many years...

    $388.23
  • Hiblow HP-60A Air Pump with Alarm Hiblow HP-60A Air Pump with Alarm Hiblow HP-60A Air Pump with Alarm

    Hiblow

    Hiblow HP-60A Air Pump with Alarm

    Hiblow HP-60A Air Pump with Alarm The Hiblow HP-60-A Air Pump delivers oxygen into the septic tank, which allows aerobic bacteria to grow and thrive. Once the bacterial colony is established, these bacteria break down waste quickly and efficiently. For...

    $379.99
  • Aqua UV Ozone/UV Combo 15 Watt  2" - White Aqua UV Ozone/UV Combo 15 Watt  2" - White

    Aqua Ultraviolet

    Aqua UV Ozone/UV Combo 15 Watt 2" - White

    Aqua UV Ozone/UV Combo 15 Watt 2" - White Available Ozone/UV 15 Watt Series Units: Ozone/UV 15 Watt Unit(PN: A00221) Ozone, 15 Watt Unit, 2″ Inlet/Outlet, White, 120V/60Hz Specifications Dimensions: 20” x 3-3/4” x 6” Number of...

    $377.76
  • Whitewater WW-18 Regenerative Blower Whitewater WW-18 Regenerative Blower

    Whitewater

    Whitewater WW-18 Regenerative Blower

    Whitewater WW-18 Regenerative Blower The Whitewater® Blowers are a very good value for aquariums, pet stores, bait systems, and seafood holding systems. They are smaller, lighter, and quieter than most blowers and very energy efficient. They feature...

    $375.19
  • Alita AL100 Linear Air Pump Alita AL100 Linear Air Pump Alita AL100 Linear Air Pump Alita AL100 Linear Air Pump

    Alita

    Alita AL100 Linear Air Pump

    Alita AL100 Linear Air Pump Designed to deliver high volume of steady air flow at low-pressure ranges, ALITA Linear Air Pumps are of high efficiency, low energy consumption and perform with extremely low operating noise level. With no sliding parts...

    $375.00
  • Blue Diamond ET120 Linear Air Pump Blue Diamond ET120 Linear Air Pump Blue Diamond ET120 Linear Air Pump Blue Diamond ET120 Linear Air Pump Blue Diamond ET120 Linear Air Pump

    Blue Diamond

    Blue Diamond ET120 Linear Air Pump

    Blue Diamond ET120 Linear Air Pump The ET120 contains energy-efficient motors. This means that these motors only consume a minimal amount of power. The use of green technology puts The Blue Diamond ET120 one step above all the other competition. Rest...

    $369.99
  • Whitewater WW-10 Regenerative Blower Whitewater WW-10 Regenerative Blower

    Whitewater

    Whitewater WW-10 Regenerative Blower

    Whitewater WW-10 Regenerative Blower The Whitewater® Blowers are a very good value for aquariums, pet stores, bait systems, and seafood holding systems. They are smaller, lighter, and quieter than most blowers and very energy efficient. They feature...

    $362.35
  • Aqua UV Ozone/UV Combo 8 Watt  2" - White Aqua UV Ozone/UV Combo 8 Watt  2" - White

    Aqua Ultraviolet

    Aqua UV Ozone/UV Combo 8 Watt 2" - White

    Aqua UV Ozone/UV Combo 8 Watt 2" - White Available Ozone/UV 8 Watt Series Units: Ozone/UV 8 Watt Unit(PN: A00218) Ozone, 8 Watt Unit, 2″ Inlet/Outlet, White, 120V/60Hz Specifications Dimensions: 20” x 3-3/4” x 6” Number of...

    $358.80
  • CP120 Battery Backup Dual Voltage Air Pump, 4.22 cfm CP120 Battery Backup Dual Voltage Air Pump, 4.22 cfm CP120 Battery Backup Dual Voltage Air Pump, 4.22 cfm CP120 Battery Backup Dual Voltage Air Pump, 4.22 cfm CP120 Battery Backup Dual Voltage Air Pump, 4.22 cfm

    Blue Diamond

    CP120 Battery Backup Dual Voltage Air Pump, 4.22 cfm

    CP120 Dual Voltage Air Pump, 4.22 cfm deal for ponds up to 6 feet in depth.This variable flow control pump runs off of 110 volt AC power and then automatically switches to DC power when AC is unavailable.  The battery system allows the pump to run for...

    $349.99
  • Blue Diamond ET80A W/ALARM Linear Air Pump Blue Diamond ET80A W/ALARM Linear Air Pump

    Blue Diamond

    Blue Diamond ET80A W/ALARM Linear Air Pump

    Blue Diamond ET80A W/ALARM Linear Air Pump The Blue Diamond ET80A is one of the most popular aerators for a reason. It has a flow rate of up to eight liters per hour and can successfully treat up to 500 gallons of water each day. This powerful...

    $339.99
  •  Sweetwater Inlet Muffler Assembly - BM40-2   Sweetwater Inlet Muffler Assembly - BM40-2   Sweetwater Inlet Muffler Assembly - BM40-2

    Sweetwater

    Sweetwater Inlet Muffler Assembly - BM40-2

     Sweetwater Inlet Muffler Assembly - BM40-2   External Inlet Muffler Assembly for S41, S43, S45, S453, S51, S53, SD4, SD5 Sweetwater Inlet Muffler Assembly - BM40-2   External Inlet Muffler Assembly for S41, S43, S45, S453, S51,...

    $329.99
  •  Sweetwater Inlet Muffler Assembly - BM60-2   Sweetwater Inlet Muffler Assembly - BM60-2   Sweetwater Inlet Muffler Assembly - BM60-2

    Sweetwater

    Sweetwater Inlet Muffler Assembly - BM60-2

     Sweetwater Inlet Muffler Assembly - BM60-2   External Inlet Muffler Assembly for S61, AQ, S63, S631, S651, S56, S69,SD6 Sweetwater Inlet Muffler Assembly - BM60-2   External Inlet Muffler Assembly for S61, AQ, S63, S631, S651, S56,...

    $329.99
  • Milwaukee MC125 PRO 2-in-1 Digital pH/ORP Controller Milwaukee MC125 PRO 2-in-1 Digital pH/ORP Controller Milwaukee MC125 PRO 2-in-1 Digital pH/ORP Controller Milwaukee MC125 PRO 2-in-1 Digital pH/ORP Controller

    Milwaukee Instruments

    Milwaukee MC125 PRO 2-in-1 Digital pH/ORP Controller

    Milwaukee MC125 PRO 2-in-1 Digital pH/ORP Controller DESCRIPTION The Milwaukee MC125 PRO pH and ORP controller is designed for people looking to measure and adjust pH and ORP levels automatically with one simple controller. Just set your pH and ORP ...

    $322.00
  • High Efficiency Antimicrobial Diffuser Tubing, 100' Roll High Efficiency Antimicrobial Diffuser Tubing, 100' Roll

    Pentair Aquatics

    High Efficiency Antimicrobial Diffuser Tubing, 100' Roll

    High Efficiency Antimicrobial Diffuser Tubing, 100' Roll New! Includes antimicrobial component to greatly reduce fouling—safe for fish! This patented, low-pressure rubber/polyethylene diffuser hose is made for aquaculture. Step on it—it springs right...

    $319.99
  • Pond Master Pond Air Pump Model AP-60

    Danner

    Pond Master Pond Air Pump Model AP-60

    Pond Master Pond Air Pump Model AP-60 For Freshwater & Saltwater Aquariums All Supreme Air Pumps achieve high output by using a time-proven diaphragm design. Supreme Air Pumps can be used for large or multiple aquarium aeration and filtration...

    $318.99
  •  Hiblow HP-80 Air Pump   Hiblow HP-80 Air Pump   Hiblow HP-80 Air Pump   Hiblow HP-80 Air Pump   Hiblow HP-80 Air Pump

    Hiblow

    Hiblow HP-80 Air Pump

    Hiblow HP-80 Septic Air Pump The Hiblow HP-80 septic air pump is one of the most commonly used aerators for aerobic septic systems. Your aerobic septic system is able to operate efficiently when it has a powerful aerator to push oxygen into the water...

    $299.99
  • Blue Diamond ET60A W/ALARM Linear Air Pump Blue Diamond ET60A W/ALARM Linear Air Pump

    Blue Diamond

    Blue Diamond ET60A W/ALARM Linear Air Pump

    Blue Diamond ET60A W/ALARM Linear Air Pump The Blue Diamond ET60A Septic Air Pump has a flow rate up to eight liters per hour and can handle up to 500 gallons of water each day. This means that the air pump is efficiently pumping oxygen into the water,...

    $289.99
  • Whitewater LT-24 Linear Air Pump Whitewater LT-24 Linear Air Pump

    Whitewater

    Whitewater LT-24 Linear Air Pump

    Whitewater LT-24 Linear Air Pump Whitewater Air Compressors are great for a variety of applications, including aquariums, bait tanks, holding systems, hatcheries, and aquaculture... Volts: 115 Hz: 60 Watts @ 2PSI: 60 L: 10" W: 5" 1/4" H:...

    $287.40
  •  Hiblow HP-60 Air Pump   Hiblow HP-60 Air Pump   Hiblow HP-60 Air Pump

    Hiblow

    Hiblow HP-60 Air Pump

    Hiblow HP-60 Septic Air Pump With decades of experience, Hiblow is one of the most popular and reliable brands of septic air pumps currently available. Septic air pump models made by Hiblow are durable, long-lasting, and efficient. Hiblow designs all...

    $279.99
  • Poseidon 200 Ozone Generator - Black Edition Poseidon 200 Ozone Generator - Black Edition Poseidon 200 Ozone Generator - Black Edition

    OZOTECH

    Poseidon 200 Ozone Generator - Black Edition

    Poseidon 200 Ozone Generator The ozone technology inside the Poseidon 200 produces 220 mg/hr of ozone. The power supply converts 110-240 VAC/ 50-60Hz to 12 VDC to operate with safe, low voltage operation.ELECTRICAL: Primary Voltage: 110 – 240 VAC /...

    $279.99
  • Alita AL80 Linear Air Pump Alita AL80 Linear Air Pump Alita AL80 Linear Air Pump Alita AL80 Linear Air Pump

    Alita

    Alita AL80 Linear Air Pump

    Alita AL80 Linear Air Pump Designed to deliver high volume of steady air flow at low-pressure ranges, ALITA Linear Air Pumps are of high efficiency, low energy consumption and perform with extremely low operating noise level. With no sliding parts...

    $270.00
  •  Hiblow HP-40 Air Pump   Hiblow HP-40 Air Pump   Hiblow HP-40 Air Pump   Hiblow HP-40 Air Pump   Hiblow HP-40 Air Pump

    Hiblow

    Hiblow HP-40 Air Pump

    Hiblow HP-40 Septic Air Pump The Hiblow HP-40 Septic Air Pump is the smallest model manufactured by Hiblow USA, and it’s approved for use in aerobic septic systems. Due to its small size and low power consumption, it produces little heat, which allows...

    $269.99
  • Great Lakes 4-Diffuser Manifold Great Lakes 4-Diffuser Manifold

    Pentair Aquatics

    Great Lakes 4-Diffuser Manifold

    Great Lakes 4-Diffuser Manifold All are self-weighted and include a plastic underlay that prevents sediment erosion The diffusers included as part of the ALP4 assembly are made of glass-bonded silica, are virtually indestructible and will give many years...

    $257.28
  • Blue Diamond ET40A W/ALARM Linear Air Pump Blue Diamond ET40A W/ALARM Linear Air Pump

    Blue Diamond

    Blue Diamond ET40A W/ALARM Linear Air Pump

    Blue Diamond ET40A W/ALARM Linear Air Pump BUILT IN ALARM: This septic pump has an alarm that tells you if you have a back pressure issue, busted diaphragms, or no power to the unit so you can take the appropriate measures to correct any situation. The...

    $249.99
  • CP60 Battery Backup Dual Voltage Air Pump, 2.13 cfm CP60 Battery Backup Dual Voltage Air Pump, 2.13 cfm CP60 Battery Backup Dual Voltage Air Pump, 2.13 cfm

    CP60 Battery Backup Dual Voltage Air Pump, 2.13 cfm

    CP60 Dual Voltage Air Pump 60 LPM / 2.13 CFM With variable flow control, the CP Series is the best dual voltage pump on the market. With the ability to run on both AC and DC power the CP series is equipped with variable flow control and can run for up...

    $249.99
  • HIBLOW WG-4 Pond Air Pump HIBLOW WG-4 Pond Air Pump HIBLOW WG-4 Pond Air Pump

    HIBLOW WG-4 Pond Air Pump

    HIBLOW WG-4 Pond Air Pump Hiblow® WG Series linear air pumps are a brand new line from a company with nearly 50 years of experience building reliable, energy-efficient, quiet air pumps! This new line is specifically focused on uses in backyard ponds and...

    $249.99
  • Blue Diamond ET80 Linear Air Pump Blue Diamond ET80 Linear Air Pump Blue Diamond ET80 Linear Air Pump Blue Diamond ET80 Linear Air Pump Blue Diamond ET80 Linear Air Pump

    Blue Diamond

    Blue Diamond ET80 Linear Air Pump

    Blue Diamond ET80 Linear Air Pump This pump will help push oxygen into the wastewater in your septic system so that your aerobic septic system can break down waste and reduce the amount of effluent, or wastewater, that goes into the environment. If you...

    $239.99
  • HIBLOW WG-3 Pond Air Pump HIBLOW WG-3 Pond Air Pump HIBLOW WG-3 Pond Air Pump HIBLOW WG-3 Pond Air Pump

    HIBLOW WG-3 Pond Air Pump

    HIBLOW WG-3 Pond Air Pump Hiblow® WG Series linear air pumps are a brand new line from a company with nearly 50 years of experience building reliable, energy-efficient, quiet air pumps! This new line is specifically focused on uses in backyard ponds and...

    $239.99
  • Pond Master Pond Air Pump Model AP-40

    Danner

    Pond Master Pond Air Pump Model AP-40

    Pond Master Pond Air Pump Model AP-40 For Freshwater & Saltwater Aquariums All Supreme Air Pumps achieve high output by using a time-proven diaphragm design. Supreme Air Pumps can be used for large or multiple aquarium aeration and filtration...

    $231.99
  • Heavy Set Weighted Air Tubing, 1" ID - 50' Roll Heavy Set Weighted Air Tubing, 1" ID - 50' Roll Heavy Set Weighted Air Tubing, 1" ID - 50' Roll

    Pentair Aquatics

    Heavy Set Weighted Air Tubing, 1" ID - 50' Roll

    Heavy Set Weighted Air Tubing, 1" - 50' Roll Our Heavy Set tubing remains on the bottom when filled with air. Installation is fast, clean and neat. Model: WD5R ID: 1" Unit of Measure: 50' Roll  For long distances and large bodies of...

    $229.99
  • Heavy Set Weighted Air Tubing, 5/8" ID - 100' Roll Heavy Set Weighted Air Tubing, 5/8" ID - 100' Roll Heavy Set Weighted Air Tubing, 5/8" ID - 100' Roll

    Pentair Aquatics

    Heavy Set Weighted Air Tubing, 5/8" ID - 100' Roll

    Heavy Set Weighted Air Tubing, 5/8" - 100' Roll Our Heavy Set tubing remains on the bottom when filled with air. Installation is fast, clean and neat. Model: WD1R-100 ID: 5/8" Unit of Measure: 100' Roll  For long distances and large bodies of...

    $229.99
  • Milwaukee MC510 PRO Digital Redox ORP Controller Milwaukee MC510 PRO Digital Redox ORP Controller Milwaukee MC510 PRO Digital Redox ORP Controller Milwaukee MC510 PRO Digital Redox ORP Controller Milwaukee MC510 PRO Digital Redox ORP Controller

    Milwaukee Instruments

    Milwaukee MC510 PRO Digital Redox ORP Controller

    Milwaukee MC510 PRO Digital Redox ORP Controller DESCRIPTION The Milwaukee PRO digital Redox ORP controller automatically monitors and fine-tunes ORP levels. Just set your ORP parameters and let the Milwaukee ORP Controller do the rest. The Milwaukee...

    $224.25
  • DC 12V Air Pump / Compressor, 130W, 140 L/min DC 12V Air Pump / Compressor, 130W, 140 L/min DC 12V Air Pump / Compressor, 130W, 140 L/min DC 12V Air Pump / Compressor, 130W, 140 L/min DC 12V Air Pump / Compressor, 130W, 140 L/min

    AquaCave

    DC 12V Air Pump / Compressor, 130W, 140 L/min

    DC 12V Air Compressor, 130W, 140 L/min.  These are hard-working, low-priced 12V pumps. Each pump comes with 12" pigtails and a quick disconnect with 6" of 1/2" I.D. outlet hose and a plastic manifold for aquarium tubing. Designed without an air...

    $219.99
  • S69-OUTLET, Fits Sweetwater® Blowers: S69-C S69-OUTLET, Fits Sweetwater® Blowers: S69-C

    Sweetwater

    S69-OUTLET, Fits Sweetwater® Blowers: S69-C

    Sweetwater® Regenerative Blowers Outlet Kit S69-Outlet For Use With Blower Models: S69-C Outlet Kits include: PVC nipple, stainless steel clamps and 6" outlet hoseSweetwater® Regenerative Blowers Outlet Kit S69-Outlet For Use...

    $217.47
  • Alita AL60 Linear Air Pump Alita AL60 Linear Air Pump Alita AL60 Linear Air Pump Alita AL60 Linear Air Pump Alita AL60 Linear Air Pump

    Alita

    Alita AL60 Linear Air Pump

    Alita AL60 Linear Air Pump Designed to deliver high volume of steady air flow at low-pressure ranges, ALITA Linear Air Pumps are of high efficiency, low energy consumption and perform with extremely low operating noise level. With no sliding parts...

    $215.00
  • Whitewater LT-19 Linear Air Pump Whitewater LT-19 Linear Air Pump

    Whitewater

    Whitewater LT-19 Linear Air Pump

    Whitewater LT-19 Linear Air Pump Whitewater Air Compressors are great for a variety of applications, including aquariums, bait tanks, holding systems, hatcheries, and aquaculture... Volts: 115 Hz: 60 Watts @ 2PSI: 51 L: 10" W: 5" 1/4 H: 6"...

    $214.76
  • S73-OUTLET, Fits Sweetwater® Blowers: S73-C S73-OUTLET, Fits Sweetwater® Blowers: S73-C

    Sweetwater

    S73-OUTLET, Fits Sweetwater® Blowers: S73-C

    Sweetwater® Regenerative Blowers Outlet Kit S73-Outlet For Use With Blower Models: S73-C Outlet Kits include: PVC nipple, stainless steel clamps and 6" outlet hoseSweetwater® Regenerative Blowers Outlet Kit S73-Outlet For Use...

    $213.95