Pentair - Diffuser O-Ring #238 3.484 x .139 Buna N 70 - 355227

Pentair Drain Plug O-Ring 112, .487 x .103 Buna -N 70, 2 Required - 192115 This Item Requires (2) Pieces and must be ordered separately. Sorry for the inconvenience. Part (19) on Parts Diagram

Pentair Stark - Manway  O-Ring ( B4951 ) Description: Manway O-ring works on all THS series Horizontal sand filter Additional Information:

Pentair O-Ring TR100C/TR140C - 274495 O-ring replacement. Fits Pentair TR100C and TR140C pool/spa sand filters & Measures 2-3/4-inch length by 2-3/4-inch height by 1/4-inch width

Pentair O-Ring Valve Adapter 154494 Air relief tube replacement. Fits Pentair Triton II, Triton C-3 pool and spa fiberglass sand filter models TR100C, TR140C, TR100C-3, TR140C-3 Measures...