CO2 Tanks & Seals

High quality 5lb aluminum CO2 cylinder. Made in the USA. 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...

2 Pack of 74 gram CO2 cartridges, disposable. Shipping, Warranty & Returns This item ships Standard Service (Ground), only.

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 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 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.