The Unicel UHD-SR137 is a replacement pool and spa filter cartridge designed for models like the Sta-Rite Posi-Flo II PTM135. It features 137 square feet of heavy-duty spunbonded polyester media for efficient filtration and improved water clarity, with open top and bottom end caps for easy installation. This cartridge is built to capture fine debris and fits specific filter housings to maintain optimal pool and spa water quality.
Unicel UHD-SR137 Pool Filter Cartridge
Original price was: $40.25.$29.97Current price is: $29.97.
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