PVC Knife Valve (Gate Valve) for Open/Close Applications Size:8" — Special Order corrosion resistance and long-lasting service

corrosion resistance and long-lasting service

Suitable for all filters and for use in all fresh and salt water aquatics

These issues are primarily a secondary infection resulting from external damage caused by parasites

Larger models have a removable filter cover which allows air to be taken from outside the grow room

Pond Force™ Defoamer is a concentrated formula that quickly eliminates problem-causing foam in Koi ponds

PVC Knife Valve (Gate Valve) for Open/Close Applications Size:8" — Special Order corrosion resistance and long-lasting servicePVC Knife Valves (Gate Valves) are the most popular choice for open close applications and low pressure applications. PVC Knife Valves are used on the majority of pond filter drains as well as the bottom drain circuits before and after many pre filters. Colors vary, may be white or black depending on supply at the time of purchase.