GRO Filter Replacement Set | 3 Filters for 4-Stage RO System Omnipure (ELF C-249) 12.5"x4" Diamter E-Series ELF ALL C-249 Resin Made with laboratory-grade potassium chloride

Made with laboratory-grade potassium chloride to match the ionic behavior of dissolved solids in real-world samples

Also works with any under-counter RO system using standard 10-inch filter housings in stages 1

verifiable accuracy across all measurements

Secure wall mounting for Pentek standard and slim line filter housings

GRO Filter Replacement Set | 3 Filters for 4-Stage RO System Omnipure (ELF C-249) 12.5"x4" Diamter E-Series ELF ALL C-249 Resin Made with laboratory-grade potassium chlorideThis annual replacement set includes all three filters for your 4 stage GRO reverse osmosis system, excluding the membrane. Designed specifically for high recovery units using GRO 75EN or GRO 50EN Pentair membranes, this NSF certified package keeps your water pure with minimal waste. SPECIFICATIONS What's Included Product Name GRO Filter Replacement Set (3 Filters) System Compatibility 4 Stage High Recovery RO Systems Membrane Compatibility GRO 75EN,