SpiroPure SP-WP0.5-20BB 20x4.5 0.5 Micron String-Wound Polypropylene Water Filter Cartridge SWC-45-20-0.5 (Case of 6)

0.5 MICRON RATING: With a nominal filtration rating of 0.5 microns, our quality string wound sediment filter reduces sediment from city and well water applications 20x4.5 NOMINAL: 20” BB filter made with string wound polypropylene filter media QUALITY REPLACEMENT: Comparable to SWC-45-20-0.5, and other 20” x 4.5” string wound PP water filters 30-DAY GUARANTEE: SpiroPure filters have a 30-day money-back guarantee. If you do not like the performance of your filter, you can send it back within 30 days of purchase for a full refund