1 1/2" Coupling Check Valve Assembly - TH150, TH250, TH400, TH750 AquaFalls Waterfall BioFilters Waters can be used for

Waters can be used for swimming and irrigation once product is dispersed

vases or rocks where splashing is minimal

Multiply by 60 for GPH:

change the external air filter(s) at least once every 6 months of operation

See label about pH requirements before application

1 1/2" Coupling Check Valve Assembly - TH150, TH250, TH400, TH750 AquaFalls Waterfall BioFilters Waters can be used forThese units are designed to easily connect a pump that is in a skimmer or vault to a flexible or rigid PVC waterline. The check valve is important for stopping a backflow of water in the event of a power loss. Each unit has a heavy duty PVC Check Valve with a MNPT fitting that screws into the pump on one end, and a rubber coupling to connect to the water line on the other end. The table below shows which Check Valve Assemblies are compatible with