5 Stage Reverse Osmosis Filter Replacement Set (RFK-DRO5, Formerly ROFK5) 20 inch x 4.5 inch Big Blue Filters2043 🛡️ Thick Wall Construction

🛡️ Thick Wall Construction

This sleeve ensures proper water flow channeling around the UV lamp for maximum pathogen inactivation efficiency

Screen Replacement

American-made diaphragm technology with 24

and water quality professionals who need portable

5 Stage Reverse Osmosis Filter Replacement Set (RFK-DRO5, Formerly ROFK5) 20 inch x 4.5 inch Big Blue Filters2043 🛡️ Thick Wall ConstructionThis complete 5 stage replacement filter set (model RFK DRO5, formerly ROFK5) delivers a full year of purified water for standard reverse osmosis systems. All cartridges are precisely sized and rated to restore your system to original factory performance. SPECIFICATIONS What's Included in the RFK DRO5 Set Stage 1 Filter 5 micron sediment cartridge, 2. 5" 9. 75" Stage 2 Filter Carbon block cartridge, 2. 5" 9. 75" Stage 3 Filter GAC coconut shell