Key Features

• 📏【Specifications】Length:10 1/2", outside diameter:8 1/2", top/bottom:3" open, filtration area:65 sq.ft. Filter material: trilobal filtration fabric. ★NOTE: Before purchasing, compare the specifications with those of the original filter cartridge.
• 💦【Replacement Filter】HANXER swimming pool and spa filter compatible with Watkins 31114, PWK65, C-8465, Filbur FC-3960, 71827, 71828, 80651.
• 💦【Trilobal Filtration Design】The innovative three-leaf fiber structure delivers three times the adsorption surface area compared to traditional filter media. Even with frequent use, it consistently captures more dirt and sediment. Free from BPA, odorless, and leaving no residue, it maintains crystal-clear water quality. You and your family can enjoy worry-free swimming and bathing experiences.
• 💦【Reinforced Structure】Features thickened polyester filter fabric, reinforced anti-breakage end caps, high-strength adhesive tape, and robust internal support frames. Proper maintenance and cleaning significantly extend service life and reduce replacement frequency.
• 💦【NSF Safety Certification】HANXER pool and spa filters are tested and certified by IAPMO in accordance with NSF safety standards. All components are verified for long-term contact with water, ensuring no release of harmful substances. Enjoy cleaner, safer pool and spa water for you and your family.
• 💦【50-Micron Filtration】Upgraded with a 50-micron high-efficiency filter layer, it effectively traps fine dust and debris (such as hair, leaves, dust, sediment, and sand particles) in swimming pools and spa equipment. This keeps pool water crystal clear for longer, safeguarding the health of you and your family.
• 💦【Easy to Clean and Replace】We suggest to rinse your spa filters regularly with clean water, this will help remove dirt and protect your filter material. With regular cleaning, the filter also needs to be replaced regularly to make your spa filter work more efficiently.⚠️NOTE: This filter element must not be backwashed. Backwashing may cause cracking or permanent damage.
• 🌟【Six-Month After-Sales Guarantee】Should any quality issues arise with our pool or spa filters, we offer a six-month return, exchange service! We prioritize every customer's shopping experience and provide dedicated technical support teams for all clients.

Specifications