Pro Products Poly Guard® Cartridge - Prevent Hard Water Rust; Scale & Rust Preventer GE Desal (1206719) AG-Series Tap Water/Brackish RO Elements AG2521TF; 2.5" X 21" 300 GPD TFC; TAPE 01 pH precision at 25°C

01 pH precision at 25°C for reliable calibration you can document

Fits Standard Residential RO Systems

This all-phosphate inline filter is compatible with residential and commercial applications including under-counter reverse osmosis systems

Resistivity monitoring requires water contact with the sensing probe

SEDIMENT Stage 1: Sediment Depth

Pro Products Poly Guard® Cartridge - Prevent Hard Water Rust; Scale & Rust Preventer GE Desal (1206719) AG-Series Tap Water/Brackish RO Elements AG2521TF; 2.5" X 21" 300 GPD TFC; TAPE 01 pH precision at 25°CThe Pro Products Poly Guard Cartridge (GP10C) delivers triple action protection against scale, corrosion, and rust staining in whole house water systems. This NSF certified cartridge uses food grade polyphosphate crystals to treat up to 30,000 gallons, protecting plumbing and appliances while reducing heavy metal leaching. SPECIFICATIONS Pro Products GP10C Poly Guard Technical Details Model Number Pro Products GP10C Poly Guard Crystal Cartridge