Hydra Aquatics CO2 Paintball Adapter – Made of machined aluminum – Attaches a paintball CO2 tank to your existing CO2 regulator Hydra Aquatics’ CO2 adapter, made of machined aluminum, allows you to attach a paintball CO2 tank to your existing CO2 regulator in your planted aquarium. Important Info: Always use teflon tape for seal. DO NOT OVER TIGHTEN.
