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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Pleatco point bonded media is uniquely formulated to our specifications
Frequently Asked Questions (FAQs)
rinse with clean water and return the cartridge to the filter
rated at 10A 250V
Pentair Black O-Ring | Sta-Rite Posi-Flo II Cartridge Filters | WC9-3 Calcium Hardness Pleatco point bonded media isThe Pentair WC9 3 is the OEM replacement black O ring for Sta Rite Posi Flo II pool and spa cartridge filters, keeping the filter housing sealed and operating at full efficiency. IMPORTANT: LUBRICATION REQUIRED SOLD SEPARATELY Always lubricate this O ring with a silicone based lubricant before installation. We carry the Pentair R172351 Lifeguard Silicone Lubricant the OEM matched product for Pentair equipment. This O ring maintains the pressure seal
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