High Quality Filters Compatible with any Slim Blue 20” housing. Compatible with systems from: Express Water Culligan 3M Aqua-Pure GE APEC Pentek Whirlpool Global Water DuPont Costway Olympia Glacier Bay Smart Aqua Life Geekpure Aquasana US Aqua The Perfect Water. All mentions of brand names or model descriptions are made strictly to illustrate compatibility. NOTE:Filter cartridges need to be replaced every 1 to 12 months (average 6 months) and the membranes every 12 to 24 months, and all depend on the incoming water quality, water temperature and if the water is biologically safe for drinking. These numbers, however, are usually just guidelines. GAC Granular Activated Carbon Filter GAC 20" T33 Granular Activated Carbon Filter - Size 2.5" x 19 7/8" 100% coconut shell carbon filter media. Sediment Filter 5 micron Size 2.5" x 19 7/8" fits Slim Blue filter housingsOperation Temperature Range: 40°F-100°FOperation Pressure Range: 40-75 PSI Stage 1: Sediment Filter 5 micron 100% PP Polypropylene for compatibility with a wide range of process fluids. Formed by thermal bond without use of any binders and adhesives. Maximum Operating Pressure: 125 PSI Operating temperature: 40-100°F Dimensions: 20" x 2.5" Maximum Flow Capacity: 1 - 30* GPM Sediment Filter 5-micron Granular Activated Filter Cation Resin Filter Buying Options Buying Options Buying Options Customer Reviews 4.6 out of 5 stars 57 — — Size 19.75” x 2.5" 19.75” x 2.5" 19.75” x 2.5" Filtration 5 Micron 5 Micron 5 Micron Material Melt-Blown Polypropylene Coconut Shell Cation Resin Max Temperature 100°F (38°C) 100°F (38°C) 100°F (38°C) Life Cycle 6 Months 6 Months 6 Months