Marketing InformationTwo-position backwash valves have minimal flow restriction. Unique handle design allows easier operation, pin locks Valve-in filter position. Connects directly to side ports in D.E. Or sand filters with 2 in PVC unions. Six-position dial type valves offer convenience, ease of use and efficient operation. Includes connecting pipe to match side ports in sand and D.E. Filters. 2 in PVC unions for filter-to-valve connection. Positive seal prevents leakage between ports.