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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-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...

    $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
  • 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...

    $279.95
  • 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:...

    $279.03
  • 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 ...

    $270.70
  • 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...

    $260.00
  •  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...

    $259.99
  • 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
  • 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
  • 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...

    $249.99
  • 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...

    $249.99
  • 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...

    $243.99
  •  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...

    $239.99
  • 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

    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
  • 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
  • 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...

    $210.00
  • 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"...

    $201.46
  • HIBLOW WG-2 Pond Air Pump HIBLOW WG-2 Pond Air Pump HIBLOW WG-2 Pond Air Pump

    HIBLOW WG-2 Pond Air Pump

    HIBLOW WG-2 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...

    $199.99
  • 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...

    $199.99
  •  Pinpoint ORP Controller    Pinpoint ORP Controller

    Pinpoint - American Marine

    Pinpoint ORP Controller

    Pinpoint ORP Controller by American Marine. PINPOINT ORP (REDOX) Controller™ is an inexpensive rugged controller complete with a platinum ORP probe. This device will automate another electrical device like an ozonizer or ozone generator. This full...

    $199.95
  • 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...

    $199.95
  • 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...

    $199.95
  • Blue Diamond ET60 Linear Air Pump Blue Diamond ET60 Linear Air Pump Blue Diamond ET60 Linear Air Pump Blue Diamond ET60 Linear Air Pump

    Blue Diamond

    Blue Diamond ET60 Linear Air Pump

    Blue Diamond ET60 Linear Air Pump Free additional air filter replacement All Aluminum Air Pump Chasis UL, TUV, and CE approved. Used by original equipment manufacturers of NSF-certified residential sewage treatment systems. Green drive technology...

    $189.99
  • Eco Plus 7 Commercial Air Pump, 280W 200L/min Eco Plus 7 Commercial Air Pump, 280W 200L/min

    EcoPlus

    Eco Plus 7 Commercial Air Pump, 280W 200L/min

    Eco Plus 7 Commercial Air Pump, 280W , 200 L/min. (7 cfm) • Convenient to operate without oil or much noise. • Cylinders and pistons are made of excellent materials, making the pump strong, durable. There is very little wear after long periods...

    $189.95
  • 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...

    $188.30
  • Blue Diamond 4 x 10" Disk Diffuser Station

    Blue Diamond

    Blue Diamond 4 x 10" Disk Diffuser Station

    Blue Diamond 4 x 10" Disk Diffuser Station Blue Diamond 10" Quad Disk Diffuser Station is an excellent solution for efficiently diffusing up to 240 liters per minute in your pond. This low-pressure diffuser is highly compatible with a diverse array of...

    Was: $199.99
    Now: $179.99
  • Heavy Set Weighted Air Tubing, 3/4" ID - 50' Roll Heavy Set Weighted Air Tubing, 3/4" ID - 50' Roll Heavy Set Weighted Air Tubing, 3/4" ID - 50' Roll

    Pentair Aquatics

    Heavy Set Weighted Air Tubing, 3/4" ID - 50' Roll

    Heavy Set Weighted Air Tubing, 3/4" - 50' Roll Our Heavy Set tubing remains on the bottom when filled with air. Installation is fast, clean and neat. Model: WD4R ID: 3/4" Unit of Measure: 50' Roll  For long distances and large bodies...

    $179.99
  • Alita AL40 Linear Air Pump Alita AL40 Linear Air Pump Alita AL40 Linear Air Pump Alita AL40 Linear Air Pump

    Alita

    Alita AL40 Linear Air Pump

    Alita AL40 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...

    $170.00
  • Pond Master Pond Air Pump Model AP-20

    Danner

    Pond Master Pond Air Pump Model AP-20

    Pond Master Pond Air Pump Model AP-20 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...

    $169.99
  • Blue Diamond ET40 Linear Air Pump Blue Diamond ET40 Linear Air Pump Blue Diamond ET40 Linear Air Pump Blue Diamond ET40 Linear Air Pump

    Blue Diamond

    Blue Diamond ET40 Linear Air Pump

    Blue Diamond ET40 Linear Air Pump BOOSTS SEPTIC WASTE DECOMPOSITION: By adding clean, oil-free oxygen to septic system wastewater, Blue Diamond's Enviro ET 40 air pump encourages aerobic bacteria to decompose. Its weatherproof and sturdy design makes it...

    $159.99
  • Whitewater LT-15 Linear Air Pump Whitewater LT-15 Linear Air Pump

    Whitewater

    Whitewater LT-15 Linear Air Pump

    Whitewater LT-15 Linear Air Pump Whitewater Air Compressors are great for a variety of applications, including aquariums, bait tanks, holding systems, hatcheries, and aquaculture. Powerful and reliable, they produce large volume of air with a very high...

    $149.26
  • Alita AL-35M Linear Air Pump Alita AL-35M Linear Air Pump Alita AL-35M Linear Air Pump Alita AL-35M Linear Air Pump

    Alita

    Alita AL-35M Linear Air Pump

    Alita AL-35M Linear Air Pump Supplied discharge fittings: 3/8" barb, 5/8" barb with 1/4" FNPTSpecifications and performance data are subject to change without notice Designed to deliver high volume of steady air flow at low-pressure ranges, ALITA...

    $145.00
  • Blue Diamond 2 x 10" Disk Diffuser Station Blue Diamond 2 x 10" Disk Diffuser Station Blue Diamond 2 x 10" Disk Diffuser Station Blue Diamond 2 x 10" Disk Diffuser Station Blue Diamond 2 x 10" Disk Diffuser Station

    Blue Diamond

    Blue Diamond 2 x 10" Disk Diffuser Station

    Blue Diamond 2 x 10" Disk Diffuser Station The Blue Diamond DS2 Double Diffuser Station works with any air pump with a minimum air flow of 900 GPH (2.0 CFM) and a maximum air flow of 1,600 GPH (3.5 CFM).Key Features Safe, no electricity in the...

    Was: $159.99
    Now: $139.99
  • Heavy Set Weighted Air Tubing, 3/8" ID - 100' Roll Heavy Set Weighted Air Tubing, 3/8" ID - 100' Roll Heavy Set Weighted Air Tubing, 3/8" ID - 100' Roll

    Pentair Aquatics

    Heavy Set Weighted Air Tubing, 3/8" ID - 100' Roll

    Heavy Set Weighted Air Tubing, 3/8" - 100' Roll Our Heavy Set tubing remains on the bottom when filled with air. Installation is fast, clean and neat. Model: WD2R-100 ID: 3/8" Unit of Measure: 100' Roll  For long distances and large...

    $139.99
  • DC 12V Air Pump / Compressor, 35W, 85 L/min DC 12V Air Pump / Compressor, 35W, 85 L/min DC 12V Air Pump / Compressor, 35W, 85 L/min DC 12V Air Pump / Compressor, 35W, 85 L/min DC 12V Air Pump / Compressor, 35W, 85 L/min

    AquaCave

    DC 12V Air Pump / Compressor, 35W, 85 L/min

    DC 12V Air Compressor, 35W, 85 L/min. These are hard-working, low-priced 12V pumps.  Each pump comes with 12" pigtails and a quick disconnect with 6" of 3/8" I.D. outlet hose and a plastic manifold for aquarium tubing. Designed without an...

    $139.95
  • DC 12V Air Pump / Compressor, 75W, 110 L/min (DC15) DC 12V Air Pump / Compressor, 75W, 110 L/min (DC15) DC 12V Air Pump / Compressor, 75W, 110 L/min (DC15) DC 12V Air Pump / Compressor, 75W, 110 L/min (DC15) DC 12V Air Pump / Compressor, 75W, 110 L/min (DC15)

    AquaCave

    DC 12V Air Pump / Compressor, 75W, 110 L/min (DC15)

    DC 12V Air Compressor, 75W, 110 L/min. These are hard-working, low-priced 12V pumps.  Each pump comes with 12" pigtails and a quick disconnect with 6" of 3/8" I.D. outlet hose and a plastic manifold for aquarium tubing. Designed without...

    $139.95
  • Alita AL-25M Linear Air Pump Alita AL-25M Linear Air Pump Alita AL-25M Linear Air Pump Alita AL-25M Linear Air Pump Alita AL-25M Linear Air Pump

    Alita

    Alita AL-25M Linear Air Pump

    Alita AL-25M  Linear Air Pump Supplied discharge fittings: 3/8" barb, 5/8" barb with 1/4" FNPTSpecifications and performance data are subject to change without notice Designed to deliver high volume of steady air flow at low-pressure ranges, ALITA...

    $135.00
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