Standard Thread Bulkhead Fitting (1/2 Inch) CO2 Equipment Larger size is useful for

Larger size is useful for established aquariums with regular seaweed feeding demand

The Ista Mini Ceramic CO2 Diffuser Cone combines a ceramic diffuser and bubble counter in a compact acrylic unit designed for smaller freshwater planted aquariums

It is pre-packed in a nylon filter bag and can be used in sumps

Will not deplete calcium

Clear multi-purpose container for aquarium use

Standard Thread Bulkhead Fitting (1/2 Inch) CO2 Equipment Larger size is useful forStandard Thread Bulkhead Fitting (1 2 Inch) Standard Thread Bulkhead Fitting (1 2 Inch) is a PVC aquarium bulkhead fitting for creating a sealed plumbing pass through with a threaded wet side connection and a slip pipe connection on the outside. It is useful for smaller aquarium returns, drains, reservoirs, sumps, reactors, and custom filtration plumbing. 1 2 Inch Standard Thread Bulkhead for Slip Pipe Plumbing This standard thread style accepts a