PWK30 Spa Filter Replaces 31489, FC-3915, P/N0969601, 71825, 73178, 5 Pack — Open-Box, 19% Off

【Size】Length: 10 1/2”; Outside Diameter: 5 7/8”; Top /Bottom Opening: 1 15/16”; Filtration Area: 30 sq. ft

【Perfect Match】Compatible with Watkins 31489, PWK30, Unicel C-6430, Filbur FC-3915, 73178, 73250, 71825, P/N0969601. ★NOTE: This is a compatible replacement. Original manufacturers' names and part numbers are for reference only. PureLumi stands as an independent brand.

【Powerful Dirt Capture】Made with high-performance filtration media similar to premium industry materials, this filter features a higher fiber density per unit area for enhanced dirt-holding capacity. It efficiently captures common debris such as dust, leaves, and fine particles while maintaining strong water flow, delivering reliable filtration performance with up to 99% particle removal. Fully compatible with saltwater pool systems.

【Easy-Rinse Design — Clean in Seconds】Engineered with an optimized point-bonded fiber structure, contaminants are less likely to embed deeply into the media. Most trapped debris can be quickly removed with a simple rinse, making routine maintenance fast, easy, and hassle-free.

【Long-Lasting Performance】Reinforced internal support structure helps maintain stable water flow and filtration efficiency even after multiple cleaning cycles, effectively extending service life and reducing replacement frequency. Under proper use and maintenance, it can support 10+ cleaning cycles while still maintaining strong filtration performance.

Balances reliable filtration performance with extended durability, providing a practical and economical solution for daily pool and spa maintenance. Ideal for users seeking consistent water clarity with lower long-term maintenance effort.