3" Bottom Drain without Diffuser Aquatic Herbicides It is also available via

It is also available via special order with 10 psi for use with Rotary Vanes

2" valve and other fittings

unless there is a significant high pH problem with the fish

reduces channelizing of water around media

These heavy-duty white valves feature schedule 80 PVC construction with EPDM seals and seats and are rated to 150 PSI

3" Bottom Drain without Diffuser Aquatic Herbicides It is also available viaThis basic 3" bottom drain allows dirt and debris to be removed from the pond bottom without the hassle of vacuuming or drain downs. Bottom drain base has six stainless screws and two rubber gaskets for a positive seal when penetrating liner! Connects to 3" PVC pipe and fittings. Photo shows Bottom Drain with Diffuser. This item is the same, but without the air diffuser.