Complete Aquatics Dual Union Check Valves Amish Handmade API® Cool Water Food is

API® Cool Water Food is ideal for pond fish

helping fish fight off bacterial or viral infections

Mattress Cushions

All base units come with a 3/4" FPT fitting and a multi-barb adapter with a 3/8" barb

Complete Aquatics Dual Union Check Valves Amish Handmade API® Cool Water Food isComplete Aquatics Check Valves features dual union connections. Some valves can be used vertically or horizontally, while others can only be used horizontally. SKU Description Use Vertically? Use Horizontally? CV00718 1. 5" Dual Union Check Valve YES YES CV00703 2" Dual Union Check Valve YES YES CV00713 3" Dual Union Check Valve NO YES CV00716 4" Dual Union Check Valve NO YES