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CO2 Tanks & Seals

  • 5lb Aquarium CO2 Cylinder
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    GLA

    5lb Aquarium CO2 Cylinder

    $99.99

    High quality 5lb aluminum CO2 cylinder. The perfect size for almost all planted tanks. Dimensions: 5 1/4" D x 18" H CO2 Capacity: 5 lb Sherwood USA Valve Made of high strength 6061-T6 Aluminum alloy Tested in excess of 100,000 cycles at service pressure...

  • Brass Permaseal
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    GLA

    Brass Permaseal

    $4.99

    Brass permaseal provides a permanent seal for the connection between your CO2 regulator and cylinder. High quality brass seal (Not compatible with GLA GRO series or GLA PRO-DS series CO2 regulators, nylon seal required for these CO2 collections)

  • Nylon Seal
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    GLA

    Nylon Seal

    $0.75

    Nylon replacement seal for the connection between the CO2 regulator and cylinder. This seal needs to be replaced every time the CO2 cylinder is refilled.Nylon replacement seal. Replace every time you refill your CO2 cylinder.

  • Atomic Check Valve
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    Atomic

    Atomic Check Valve

    $14.99

    Atomic series check valve with super low 1psi cracking/opening pressure. Permits flow of CO2 in one direction only. Mount inline. Compatible with our CO2 resistant tubing. Easy view arrow marks the direction of flow - away from your regulator. No CO2...

  • GLA Super Check Valve
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    GLA

    GLA Super Check Valve

    $14.99

    GLA Super Check Valve permits flow of CO2 in one direction only. Use with a pressurized aquarium CO2 system to protect your equipment. Compatible with our GLA CO2 resistant tubing.