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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.

  • 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...

    $199.99
  • 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
  •  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
  • Alita AL-15AVP  In-Line Vacuum Air Pump Alita AL-15AVP  In-Line Vacuum Air Pump Alita AL-15AVP  In-Line Vacuum Air Pump Alita AL-15AVP  In-Line Vacuum Air Pump Alita AL-15AVP  In-Line Vacuum Air Pump

    Alita

    Alita AL-15AVP In-Line Vacuum Air Pump

    Alita AL-15AVP  In-Line Vacuum Air Pump *Rename from AL-15SA in 2023~24 in compliance with UL certification requirement Alita In-Line Vacuum Air Pumps are designed to be used with ozone and can give you stable high flow of airflow into almost any...

    $195.00
  • 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 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
  • 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
  • High Efficiency Antimicrobial Diffuser Tubing, 50' Roll

    Pentair Aquatics

    High Efficiency Antimicrobial Diffuser Tubing, 50' Roll

    High Efficiency Antimicrobial Diffuser Tubing, 50' 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...

    $179.95
  • Alita AL-6AVP  In-Line Vacuum Air Pump Alita AL-6AVP  In-Line Vacuum Air Pump Alita AL-6AVP  In-Line Vacuum Air Pump Alita AL-6AVP  In-Line Vacuum Air Pump Alita AL-6AVP  In-Line Vacuum Air Pump

    Alita

    Alita AL-6AVP In-Line Vacuum Air Pump

    Alita AL-6AVP  In-Line Vacuum Air Pump Alita In-Line Vacuum Air Pumps are designed to be used with ozone and can give you stable high flow of airflow into almost any reactor or skimmer. The powerful motor operates with very little noise (27db) and...

    $175.00
  • 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...

    $175.00
  • 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...

    $159.99
  • 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 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
  • 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...

    $159.99
  • 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...

    $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...

    $159.12
  • 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...

    $158.99
  • 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...

    $157.00
  • Non-Stop AC/DC Air Pump with Battery Backup - SB-10000 Non-Stop AC/DC Air Pump with Battery Backup - SB-10000 Non-Stop AC/DC Air Pump with Battery Backup - SB-10000 Non-Stop AC/DC Air Pump with Battery Backup - SB-10000

    AquaCave

    Non-Stop AC/DC Air Pump with Battery Backup - SB-10000

    Non-Stop AC/DC Air Pump with Battery Backup - SB-10000 SOBO Aquarium AC/DC Air Pump SB-10000 2nd Generation Features: 2nd Generation Lithium Battery 4400mA! 12Watt with 2x5Liter/min Air Output 0.016Mpa Pressure Two 3/16" outlets provide 0.15 cfm...

    $149.99
  • Great Lakes Small Pond Diffuser Manifold Great Lakes Small Pond Diffuser Manifold

    Pentair Aquatics

    Great Lakes Small Pond Diffuser Manifold

    Great Lakes Small Pond 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...

    $148.50
  • 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...

    $148.00
  • 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
  • Alita AL15A Linear Air Pump Alita AL15A Linear Air Pump Alita AL15A Linear Air Pump Alita AL15A Linear Air Pump Alita AL15A Linear Air Pump

    Alita

    Alita AL15A Linear Air Pump

    Alita AL15A Linear Air Pump Supplied discharge fittings: 3/16" & 3/8" barb, 3/8" barb with 5mm IDSpecifications and performance data are subject to change without notice Designed to deliver high volume of steady air flow at low-pressure ranges,...

    $130.00
  • Blue Diamond 1 x 10" Disk Diffuser Station

    Blue Diamond

    Blue Diamond 1 x 10" Disk Diffuser Station

    Blue Diamond 1 x 10" Disk Diffuser Station Blue Diamond 10" Single Disk Diffuser Station is an excellent solution for efficiently diffusing up to 60 liters per minute in your pond. This low-pressure diffuser is highly compatible with a diverse array of...

    $129.99
  • Ozotech - DI Dryer 2.0 Ozotech - DI Dryer 2.0

    OZOTECH

    Ozotech - DI Dryer 2.0

    Ozotech - DI Dryer 2.0 The DI-Air Dryer is a small affordable air dryer designed to change colors when the desiccant media stops producing dry air. Its compact size and affordability makes it the perfect choice for small ozone applications with a low...

    $129.99
  • Silent Air Pump V60

    AquaCave

    Silent Air Pump V60

    Silent Air Pump V60 Designed to run several air stones from a single pump, the V 60 is suited to both intermittent and continuous duty use. Its robust alloy casing absorbs noise for whisper quiet operation and the filter cover can be removed, allowing...

    $129.99
  • Eco Plus 5 Commercial Air Pump, 80W , 88L/min Eco Plus 5 Commercial Air Pump, 80W , 88L/min

    EcoPlus

    Eco Plus 5 Commercial Air Pump, 80W , 88L/min

    Eco Plus 5 Commercial Air Pump, 80W , 88L/min • 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 of...

    $129.95
  • DC 12V Air Pump / Compressor, 25W, 55 L/min (DC8) DC 12V Air Pump / Compressor, 25W, 55 L/min (DC8) DC 12V Air Pump / Compressor, 25W, 55 L/min (DC8) DC 12V Air Pump / Compressor, 25W, 55 L/min (DC8) DC 12V Air Pump / Compressor, 25W, 55 L/min (DC8)

    AquaCave

    DC 12V Air Pump / Compressor, 25W, 55 L/min (DC8)

    DC 12V Air Compressor, 25W, 55 L/min. These are hard-working, low-priced 12V pumps.  Each pump comes with 12" pigtails and a quick disconnect with 6" of 1/4" I.D. outlet hose and a plastic manifold for aquarium tubing. Designed without an...

    $119.99
  • Heavy Set Weighted Air Tubing, 5/8" ID - 50' Roll Heavy Set Weighted Air Tubing, 5/8" ID - 50' Roll Heavy Set Weighted Air Tubing, 5/8" ID - 50' Roll

    Pentair Aquatics

    Heavy Set Weighted Air Tubing, 5/8" ID - 50' Roll

    Heavy Set Weighted Air Tubing, 5/8" - 50' Roll Our Heavy Set tubing remains on the bottom when filled with air. Installation is fast, clean and neat. Model: WD1R ID: 5/8" Unit of Measure: 50' Roll  For long distances and large bodies of water...

    $119.99
  • Alita AL6A Linear Air Pump Alita AL6A Linear Air Pump Alita AL6A Linear Air Pump Alita AL6A Linear Air Pump Alita AL6A Linear Air Pump

    Alita

    Alita AL6A Linear Air Pump

    Alita AL6A Linear Air Pump Supplied discharge fittings: 3/16" & 3/8" barb, 3/8" barb with 5mm IDSpecifications and performance data are subject to change without notice. Designed to deliver high volume of steady air flow at low-pressure ranges,...

    $115.00
  • Whitewater LT-11 Linear Air Pump Whitewater LT-11 Linear Air Pump

    Whitewater

    Whitewater LT-11 Linear Air Pump

    Whitewater LT-11 Linear Air Pump Powerful and reliable Whitewater pumps produce large volume of air with a very high pressure Volts: 115 Hz: 60 Watts @ 2PSI: 16 L: 5" 1/2" W: 3" 1/2" H: 3" 3/4" Lbs: 4 Whitewater LT-11 Linear Air...

    $111.42
  • Aquatop AC/DC Battery Powered Air Pump

    Aquatop AC/DC Battery Powered Air Pump

    Aquatop AC/DC Battery Powered Air Pump Aquatop’s BREZA AC/DC-PLUS Air Pump is an essential piece of equipment for aquarists of all levels. With the included AC power supply, the AC/DC-PLUS can be used as a standard aquarium air pump, but also offers an...

    $109.99
  • JbJ Maxum Air pump with battery back up JbJ Maxum Air pump with battery back up JbJ Maxum Air pump with battery back up JbJ Maxum Air pump with battery back up JbJ Maxum Air pump with battery back up

    JBJ

    JbJ Maxum Air pump with battery back up

    JbJ Maxum Air pump with battery back up Specifications: Model: S-1801 Voltage: DC 9V Power: 10W Output: 4 L/min (2) Dimensions: 7" x 5" x 2"   The Maxum Air is a low voltage AC/DC air pump with a built-in rechargeable lithium-ion battery that...

    $104.00
  • Rebuild Kit Alita Linear Air Pump AL100 - AL120 Rebuild Kit Alita Linear Air Pump AL100 - AL120

    Alita

    Rebuild Kit Alita Linear Air Pump AL100 - AL120

    Rebuild Kit Alita Linear Air Pump AL100 - AL120 Diaphragm Replacement Kit Part Number: DRK120 For Alita AL-100, AL-120 (MPN DRK120) Linear Air Pumps   Rebuild Kit Alita Linear Air Pump AL120 Designed to deliver high volume of steady air...

    $99.99
  • Eco Plus 3 Commercial Air Pump, 35W , 65L/min Eco Plus 3 Commercial Air Pump, 35W , 65L/min

    EcoPlus

    Eco Plus 3 Commercial Air Pump, 35W , 65L/min

    Eco Plus 3 Commercial Air Pump, 35W , 65L/min • 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 of...

    $99.95
  • Schego WS3 IN/OUT Air Pump Schego WS3 IN/OUT Air Pump

    Schego

    Schego WS3 IN/OUT Air Pump

    Schego WS3 IN/OUT Air Pump WS3 IN/OUT art. no. ~ 350 l/hpower supplyACpower consumption7 Wattdimensions with case170 x 75 x 60 mmweight with case880 ghose connection5 mm Ø for inlet and outlet

    $95.00
  • Eco Air 8 Plus Air Pump Eco Air 8 Plus Air Pump

    EcoPlus

    Eco Air 8 Plus Air Pump

    Eco Air series pumps are very quiet, yet extremely powerful and long lasting. Controllable variable output on some models. Eco Air 8 Specifications: * Power: 24W * Output (l/min): 20 * Pressure: 2 psi * Dimensions: 4.5" x 7" x 5.125"Eco Air series pumps...

    $89.99