Pentair 39010200 Rubber Tank Clamp O-Ring For Clean & Clear Plus Fiberglass Reinforced Polypropylene Tank Filter, FNS Plus Vertical Grid Filter; 0.47 Inch OD

This tank clamp O-ring is designed to use with Pentair Clean & Clear Plus fiberglass reinforced polypropylene tank filters and also compatible with Pentair FNS Plus vertical grid filters. Also fits Pentair Quad pool and spa D.E. filters.