Compact Water Fill Valve Flow Rate at 15 Feet of Head_3805 GPH The air diffuser base allows

The air diffuser base allows you to mount air diffuser(s) firmly at the bottom of the pond and keeps the air diffusers up out of the mud

3/8" mesh size

containing fish

Will not affect the biological filter or alter the pH

Bronze Frothy Nozzle

Compact Water Fill Valve Flow Rate at 15 Feet of Head_3805 GPH The air diffuser base allowsCompact Water Fill Valve Up to 1. 5 gallons per minute flow rate at a working pressure of 0 100 PSI Small size allows it to fit into any skimmer filter, Pondless Waterfall Vault or decorative water feature application Includes fittings to connect to a standard garden hose, 1 4" poly pipe, 1 2" poly pipe, 1 2" pvc pipe (sold separately)