Double Threaded Bulkhead Fitting (1 Inch) Additives The integrated stainless spring check

The integrated stainless spring check valve helps protect the regulator and solenoid from water backsiphoning when the CO2 supply is switched off

when introducing new fish

Clownfish are hardy and easy to keep

The included elbow can be used to reduce clearance behind the tank or as a directional return fitting depending on the plumbing layout

Removes phosphate and silicate from freshwater and saltwater aquariums

Double Threaded Bulkhead Fitting (1 Inch) Additives The integrated stainless spring checkDouble Threaded Bulkhead Fitting (1 Inch) Double Threaded Bulkhead Fitting (1 Inch) is a heavy wall PVC bulkhead for larger aquarium, sump, reservoir, and filtration plumbing connections. The double threaded design accepts matching threaded fittings on both the wet side and outside connection side, giving aquarists a serviceable option for drain, return, and utility plumbing. 1 Inch Double Threaded Bulkhead for Aquarium Systems The 1 inch size is a