Hydra CO2 Regulator Manifold Block and Bubble Counter

Hydra CO2 Manifold Block and Bubble Counter Use with Hydra Aquatics Professional and Professional Elite Dual Stage CO2 regulators with manifold assembly.Use with HYD255, HYD254 and HYD253 Hydra modular manifold blocks expand CO2 distribution to more aquariums. Each Block contains our custom integrated built-in needle valve and bubble counter to direct supply CO2 to an additional aquarium independently. Aluminum body Natural color anodized finish