EcoAqua Replacement for Pur® Faucet Water Filter, 3-Pack Replacement filter for Pur® pitchers and dispensers which use the RF-9999® filter. Simply unscrew the cover from the faucet system and insert the new filter. FEATURES: Produces better-tasting drinking water Cost effective alternative to factory original filter Reduces chlorine taste and odor High-grade activated carbon particles absorb impurities in the water Filter dimensions - approx. 4-1/4" L X 2-1/4" Diameter Replace filter every 100 gallons or every 3 months (whichever comes first) Pur® and RF-9999® are registered trademarks of Helen of Troy Limited. National Trade Supply, Inc, and DiscountFilters.com are not affiliated with Helen of Troy or Pur®. Any use of this brand name or model designations for this product is made solely for purposes of demonstrating compatibility. This filter is not the original factory product by Pur®.