Clear2o Gravity Replacement Water Filter with Pleated Filter Design to Maximize Dirt-Holding Capacity (1-Pack), GRF201 Pleated filter design to maximize dirt-holding capacity and extend the time period between filter changes. No soaking required Positive Cat-Ion filter with 50% Longer Life Longer filter life (60 gallons) Filters and reduces chlorine and odors BPA (Bisphenol A) Free