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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.

  • Ozotech CD Cell Maintenance Kit Ozotech CD Cell Maintenance Kit

    OZOTECH

    Ozotech CD Cell Maintenance Kit

    Ozotech CD Cell Maintenance Kit *1 CD Cell Cleaning Kit CD cells within Ozotech products are designed for easy cleaning. Periodic cleaning of the CD cell is important, extending the life of your equipment and ensuring your generator continues to...

    $39.99
  • Rebuild Kit Alita Linear Air Pump AL6A - AL15A Rebuild Kit Alita Linear Air Pump AL6A - AL15A

    Alita

    Rebuild Kit Alita Linear Air Pump AL6A - AL15A

    Rebuild Kit Alita Linear Air Pump AL6A - AL15A Includes 2 diaphragms with base blocks and chamber blocks. Fits Alita AL-6 / AL-15 Linear Air Pump.   Rebuild Kit Alita Linear Air Pump AL6A - AL15A Includes 2 diaphragms with base blocks and...

    $39.99
  • EcoPlus Hydrovescent Air Disc 8 Inches EcoPlus Hydrovescent Air Disc 8 Inches EcoPlus Hydrovescent Air Disc 8 Inches EcoPlus Hydrovescent Air Disc 8 Inches

    EcoPlus

    EcoPlus Hydrovescent Air Disc 8 Inches

    EcoPlus Hydrovescent Air Disc 8 Inches EcoPlus® Hydrovescent Air Disc® air diffusers are great for aerating or circulating nutrients in your tanks or reservoirs. These air diffusers incorporate suction cup feet to keep your Hydrovescent Air...

    $39.95
  • EPDM Tube Diffuser 10"x2.5" EPDM Tube Diffuser 10"x2.5"

    AquaCave

    EPDM Tube Diffuser 10"x2.5"

    EPDM Tube Diffuser 10"x2.5" Inlet 3/4" thread The 9.8" tube diffuser features a fine pore flexible membrane which provides maximum oxygen transfer efficiency; the high-quality EPDM and silicone construction materials ensure long service life...

    $39.95
  • Aquatop BREZA Fusion 500 Air Pump Aquatop BREZA Fusion 500 Air Pump

    Aquatop BREZA Fusion 500 Air Pump

    Aquatop BREZA Fusion 500 Air Pump Silence is golden with the Aquatop® BREZA Fusion Air Pumps. BREZA Fusion Air Pumps feature a patented baffle systemwith a series of chambers interlinked by small openings that creates pressure as the air is pushed...

    $36.99
  • Oase OxyMax 200 Air Pump Oase OxyMax 200 Air Pump

    OASE

    Oase OxyMax 200 Air Pump

    Oase OxyMax 200 Air Pump Consistent flow - Constant steady airflow. Easily adjust the air flow rate for the diffuser Quiet operation - Vibration resistant rubber feet and eye hook, and insulated housing prevent excess vibration and...

    $35.99
  •  Oase OxyMax 100 Air Pump  Oase OxyMax 100 Air Pump

    OASE

    Oase OxyMax 100 Air Pump

    Oase OxyMax 100 Air Pump Consistent flow - Constant steady airflow. Easily adjust the air flow rate for the diffuser Quiet operation - Vibration resistant rubber feet and eye hook, and insulated housing prevent excess vibration and...

    $30.99
  • Ecoplus 16 Outlets Distribution Manifold Ecoplus 16 Outlets Distribution Manifold Ecoplus 16 Outlets Distribution Manifold

    AquaCave

    Ecoplus 16 Outlets Distribution Manifold

    Ecoplus 16 Outlets Distribution Manifold Inlet: Fits 5/8" ID tubing Air Manifolds allow the adjustment of airflow to four or more air stones or air diffusers to ensure that equal airflow is provided to each air diffuser or air stone. This chrome...

    $29.99
  •  8 1/4" Disc Air Diffuser   8 1/4" Disc Air Diffuser

    AquaCave

    8 1/4" Disc Air Diffuser

    8 1/4" Disc Air Diffuser   Extremely durable and washable (reusable) air diffusing media. Manufactured with brown Adamantine Spar (corundum/alumina) under ultra high tempeature and pressure. Applicable in Acidic or Alkaline waters (low or high pH)...

    $29.95
  • 18 Outlets Distribution Manifold

    AquaCave

    18 Outlets Distribution Manifold

    18 Outlets Distribution ManifoldAir distributor for high power air pumps, with 18 individually controlled outlets. Having multiple tanks in fish room, it distributes the air to each tank as much as you wish. - Nickle plated brass valve ( lever type...

    $29.95
  • EcoPlus Hydrovescent Air Disc 6 Inches EcoPlus Hydrovescent Air Disc 6 Inches EcoPlus Hydrovescent Air Disc 6 Inches EcoPlus Hydrovescent Air Disc 6 Inches

    EcoPlus

    EcoPlus Hydrovescent Air Disc 6 Inches

    EcoPlus Hydrovescent Air Disc 6 Inches EcoPlus® Hydrovescent Air Disc® air diffusers are great for aerating or circulating nutrients in your tanks or reservoirs. These air diffusers incorporate suction cup feet to keep your Hydrovescent Air...

    $29.95
  • Penn-Plax Silent Air Battery Air Pump - 1 Outlet Penn-Plax Silent Air Battery Air Pump - 1 Outlet

    Penn-Plax Silent Air Battery Air Pump - 1 Outlet

    Penn-Plax Silent Air Battery Air Pump - 1 Outlet Designed for every day use and emergency power outages. Recharges via USB cable. Works continuously or save battery with interval. Noise absorbent rubber base. Battery Life: continuous - 13 hours/interval...

    $29.95
  • PennPlax Silent Air Battery Back-Up System

    PenPlax

    PennPlax Silent Air Battery Back-Up System

    Silent Air Battery Back-Up System by PennPlax.If you worry about how your fish will survive in the event of a power outage, the Silent Air B-11 Air Pump will give you peace of mind. It runs on 2 "D" batteries (not included) and plugs into a standard AC...

    $29.95
  • Aquatop Breza AP-100 Air Pump Aquatop Breza AP-100 Air Pump

    Aquatop Breza AP-100 Air Pump

    Aquatop Breza AP-100 Air Pump You simply can't beat the price-performance ratio of the BREZA AP-100 Aquarium Air Pump! The entire BREZA Series includes powerful yet quiet Aquarium Air Pumps that offer super low energy consumption. The AP-100 is the...

    $28.99
  • Aquatop BREZA Fusion 400 Air Pump Aquatop BREZA Fusion 400 Air Pump

    Aquatop BREZA Fusion 400 Air Pump

    Aquatop BREZA Fusion 400 Air Pump Silence is golden with the Aquatop® BREZA Fusion Air Pumps. BREZA Fusion Air Pumps feature a patented baffle systemwith a series of chambers interlinked by small openings that creates pressure as the air is pushed...

    $26.99
  • Blue Diamond SS7 Air Pump, 2 Outlet Blue Diamond SS7 Air Pump, 2 Outlet

    Blue Diamond

    Blue Diamond SS7 Air Pump, 2 Outlet

    Blue Diamond SS7 Air Pump, 2 Outlet Flow: 7.2/min / 0.25 cfm from two Outlets with 3.6 l/min 0.13 cfm flow from each outlet Power Consumption: 5W Weight: 0.53kg Size: 126 x 84 x 185 mm   Additional Information: The SS7 Pump has two outlets and...

    $24.99
  • Eco Air 2 Plus Air Pump Eco Air 2 Plus Air Pump

    EcoPlus

    Eco Air 2 Plus Air Pump

    Eco Air series pumps are very quiet, yet extremely powerful and long lasting. Controllable variable output on some models. Eco Air 2 Specifications:* Power: 6W* Output (l/min): 4.5* Pressure: 1.75 psi* Dimensions: 6.5" x 3.75" x 3.4"Eco Air series...

    $24.99
  • Hagen Marina A300 Air Pump Hagen Marina A300 Air Pump

    Fluval

    Hagen Marina A300 Air Pump

    Hagen Marina A300 Air Pump Marina Air Pumps are efficiently designed to increase water movement in aquariums for proper oxygenation, which helps to create a healthier environment for fish and live plants. They combine powerful and consistent airflow...

    $24.99
  • 12 Outlets Distribution Manifold

    AquaCave

    12 Outlets Distribution Manifold

    12 Outlets Distribution ManifoldAir distributor for high power air pumps, with 12 individually controlled outlets. Having multiple tanks in fish room, it distributes the air to each tank as much as you wish. - Nickle plated brass valve ( lever type...

    $24.95
  • PennPlax Silent Air Battery Powered Air Pump PennPlax Silent Air Battery Powered Air Pump

    PenPlax

    PennPlax Silent Air Battery Powered Air Pump

    Silent Air Battery Powered Air Pump by PennPlaxIdeal for power failures and maintenance, the Silent Air B10 Battery powered air pump will make a welcome addition to any hobbyists arsenal. Silent Air Battery Powered Air Pump by PennPlax.Ideal for power...

    $24.95
  • Hagen Marina 200 Aquarium Air Pump Hagen Marina 200 Aquarium Air Pump

    Fluval

    Hagen Marina 200 Aquarium Air Pump

    Marina 200 Air Pump by Hagen is a reliable source of delivering air for air operated items such as air stones, air curtains, air-actuated ornaments or for adding movement thus oxygen to any aquarium...Marina 200 Air Pump by Hagen.The Marina 200 air pump...

    $23.99
  •  Aquatop BREZA Fusion 300 Air Pump  Aquatop BREZA Fusion 300 Air Pump

    Aquatop BREZA Fusion 300 Air Pump

    Aquatop BREZA Fusion 300 Air Pump Silence is golden with the Aquatop® BREZA Fusion Air Pumps. BREZA Fusion Air Pumps feature a patented baffle systemwith a series of chambers interlinked by small openings that creates pressure as the air is pushed...

    $22.99
  • 12 Valve Air Manifold, 3/8 Inlet

    AquaCave

    12 Valve Air Manifold, 3/8 Inlet

    12 Valve Air Manifold, 3/8 Inlet Material: Metal Aquarium & Accessory Type: CO2 & Ozone Equipments Type: Aquariums & Accessories Application: air pump Valves: 12

    $19.99
  • Aquatop Breza AP-50 Air Pump Aquatop Breza AP-50 Air Pump Aquatop Breza AP-50 Air Pump

    Aquatop Breza AP-50 Air Pump

    Aquatop Breza AP-50 Air Pump The AQUATOP AP-50 is a powerful but blissfully quiet air pump for aquariums ranging in size from 20 to 50 gallons. Super low energy consumption saves you money, while several models, like the AP-50, are equipped with a...

    $19.99
  • Aquatop BREZA Fusion 200 Air Pump Aquatop BREZA Fusion 200 Air Pump

    Aquatop BREZA Fusion 200 Air Pump

    Aquatop BREZA Fusion 200 Air Pump Silence is golden with the Aquatop® BREZA Fusion Air Pumps. BREZA Fusion Air Pumps feature a patented baffle systemwith a series of chambers interlinked by small openings that creates pressure as the air is pushed...

    $19.99
  • 8 Outlets Distribution Manifold  8 Outlets Distribution Manifold

    AquaCave

    8 Outlets Distribution Manifold

    8 Outlets Distribution Manifold Air Manifolds allow the adjustment of air flow to four or more air stones or air diffusers in order to insure that equal air flow is provided to each air diffuser or air stone. The manifold has individual barbed valves...

    $19.95
  • EcoPlus Water Wind Micro Bubble Air Diffuser Ring 9" dia. EcoPlus Water Wind Micro Bubble Air Diffuser Ring 9" dia. EcoPlus Water Wind Micro Bubble Air Diffuser Ring 9" dia.

    EcoPlus

    EcoPlus Water Wind Micro Bubble Air Diffuser Ring 9" dia.

    EcoPlus Water Wind Micro Bubble Air Diffuser Ring 9 Inches EcoPlus® Water Wind® Micro Bubble Air Diffusers are great for oxygenating hydroponic bucket systems, tanks, and reservoirs. The high-performance EcoPlus® Diffuser Rings are designed for higher...

    $19.95
  • ViaAqua MillionAir MA600 Air Pump

    ViaAqua

    ViaAqua MillionAir MA600 Air Pump

    Simply the best pump for your dollar. A strong, reliable, safe and quiet air pump yet affordable. Available models for virtually any aquatic environment.ViaAqua MillionAir MA600 Air Pump. Simply the best pump for your dollar. A strong, reliable, safe...

    $19.95
  • Aquatop Breza AP-40 Air Pump Aquatop Breza AP-40 Air Pump Aquatop Breza AP-40 Air Pump

    Aquatop Breza AP-40 Air Pump

    Aquatop Breeza AP-40 Air Pump AQUATOP's BREZA Series of aquarium of air pumps gives aquatic creatures the oxygen they need to thrive. The BREZA AP-40 handles tanks from 10 to 50 gallons. This economical but sturdy pump adds air bubbles, creates...

    $18.99
  • EcoPlus Water Wind Micro Bubble Air Diffuser Ring 8" dia. EcoPlus Water Wind Micro Bubble Air Diffuser Ring 8" dia. EcoPlus Water Wind Micro Bubble Air Diffuser Ring 8" dia.

    EcoPlus

    EcoPlus Water Wind Micro Bubble Air Diffuser Ring 8" dia.

    EcoPlus Water Wind Micro Bubble Air Diffuser Ring 8 Inches EcoPlus® Water Wind® Micro Bubble Air Diffusers are great for oxygenating hydroponic bucket systems, tanks, and reservoirs. The high-performance EcoPlus® Diffuser Rings are designed for higher...

    $18.95
  • 8 Valve Air Manifold, 3/8 Inlet

    AquaCave

    8 Valve Air Manifold, 3/8 Inlet

    8 Valve Air Manifold, 3/8 Inlet Material: Metal Aquarium & Accessory Type: CO2 & Ozone Equipments Type: Aquariums & Accessories Application: air pump Valves: 8

    $17.99
  • Eco Air 1 Plus Air Pump

    EcoPlus

    Eco Air 1 Plus Air Pump

    Eco Air series pumps are very quiet, yet extremely powerful and long lasting. Controllable variable output on some models. Eco Air 1 Specifications: * Power: 2.5W * Output (l/min): 2 * Pressure: 3 psi * Dimensions: 3.4" x 1.8" x 2"Eco Air series pumps...

    $17.99
  • Blue Diamond SS3 Air Pump, 1 Outlet Blue Diamond SS3 Air Pump, 1 Outlet

    Blue Diamond

    Blue Diamond SS3 Air Pump, 1 Outlet

    Blue Diamond SS3 Air Pump, 1 Outlet Flow: 3.2/min / 0.11 cfm Power Consumption: 2W Weight: 0.4kg Size: 136 x 78 x 68 mm   The SS3 pump has an integrated variable flow controlBlue Diamond SS3 Air Pump, 1 Outlet

    $16.99
  • 4 Valve Air Manifold, 1/4" Inlet

    AquaCave

    4 Valve Air Manifold, 1/4" Inlet

    4 Valve Air Manifold, 1/4" Inlet Material: Metal Aquarium & Accessory Type: CO2 & Ozone Equipments Type: Aquariums & Accessories Application: air pump Valves: 4

    $14.99
  • Aquatop Breza AP-30 Air Pump Aquatop Breza AP-30 Air Pump Aquatop Breza AP-30 Air Pump

    Aquatop Breza AP-30 Air Pump

    Aquatop Breeza AP-30 Air Pump AQUATOP's BREZA Series of aquarium of air pumps gives aquatic creatures the oxygen they need to thrive. Available in different sizes, the BREZA AP-30 handles tanks up to 40 gallons. This economical but sturdy pump adds air...

    $14.99
  • Hagen Marina Aquarium Battery Air Pump

    Fluval

    Hagen Marina Aquarium Battery Air Pump

    Hagen Marina Aquarium Battery Air Pump.Battery Operated Air Pump - Provides auxiliary air when main air source fails - Reliable back-up air source during household electrical power failure - Portable aerator for fish in transit - Comes with air stone and...

    $14.95
  • Life Air 50 Battery Operated Air Pump Life Air 50 Battery Operated Air Pump

    Life Air 50 Battery Operated Air Pump

    Emergency air source during AC power failure When transporting or holding fish in a small bucket...Emergency air source during AC power failure When transporting or holding fish in a small bucket.Operation with two alkaline "D" cell batteries (not...

    $14.95
  • Hagen Marina 75 Aquarium Air Pump Hagen Marina 75 Aquarium Air Pump Hagen Marina 75 Aquarium Air Pump

    Fluval

    Hagen Marina 75 Aquarium Air Pump

    Marina 75 Air Pump by Hagen is a reliable source of delivering air for air operated items such as air stones, air curtains, air-actuated ornaments or for adding movement thus oxygen to any aquarium...Marina 75 Air Pump by Hagen.The Marina 75 air pump...

    $13.99
  • Aquatop Breza AP-20 Air Pump Aquatop Breza AP-20 Air Pump Aquatop Breza AP-20 Air Pump

    Aquatop Breza AP-20 Air Pump

    Aquatop Breeza AP-20 Air Pump The BREZA AP-20 Aquarium Air Pump delivers a powerful punch with low energy consumption and super quiet operation. Aquarium air pumps allow your aquatic creatures to acquire the oxygen they need in order to thrive. An air...

    $12.99