SD-00797 Replacement Filter for Sta-Rite Posi-Flo II PTM135 — 135GPM-TX / 135TX / 135TXR — Open, 12 Concentric Slots — Replaces PSR137, Filbur FC-2570, Unicel UHD-SR137 | Garden & Patio

Length: 31 1/4" | Diameter: 8 11/16" | Top: Open 4 3/16" | Bottom: Open 4 3/16". Open-end design with 12 concentric slots. Spa-Daddy filters are backed by a One Full Year guarantee against defects and include our free-flow core to: (a) allow higher water flow for improved filtration, (b) increase jet pressure, and (c) reduce pump stress. Compatible replacements and cross-references include Pleatco PSR137, Filbur FC-2570, Unicel UHD-SR137, PSR137-4, PSR 137, WC108-70S2X, SD-00213, Sta-Rite TX 137, 37 TX, 37 TXR, Sta-Rite PTM 137, Sta-Rite Posi-Flo II, 17-175-1691, PSR137-M, SD-01131, 090164137032, PSR137-M4, UHD-SR137.