50 MICRON RATING: With a nominal filtration rating of 50 microns, our quality string wound sediment filter reduces sediment from city and well water applications 20x2.5 NOMINAL: 20” slim filter made with string wound polypropylene filter media QUALITY REPLACEMENT: Comparable to SWC-25-2050, and other 20" x 2.5" 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
