3M Aqua-Pure AP811-2 Filter 20" BB Graded Density, 25 micron 000 Grains you will also need to

you will also need to purchase the Hydrotech 40600041 Flow Restrictor to ensure optimal performance for your RO system

Compatible with the Oasis 3 stage filtration kit as well as reverse osmosis filtration systems

5" x 8" 1000 gallons K5515-P 2

but this item is 100% compatible in both functionality and certification

3M Aqua-Pure AP811-2 Filter 20" BB Graded Density, 25 micron 000 Grains you will also need toThe Aqua Pure AP811 2 cartridges are large diameter graded density cartridges that provide both a rigid construction that prevents collapse under all water pressure conditions, and a porous cylinder that traps all materials efficiently without affecting water flow. Specifications: Reduces: Medium dirt rust sediment Flow Rate: 45 gpm Dimensions: 4 1 2" x 20" Applications: 56189 05 Grainger Part Number: 4RP84 G2637677 3M Part Number: 5618905 3M ID: