Compatible for The Heater Treater 20 Replacement Cartridge - Carbon Block with Phosphate Size_UV 5-10 GPM 🔧 Pro Tip: Always install

🔧 Pro Tip: Always install a 5-micron sediment filter upstream of the GAC-20 to extend carbon life and prevent the granular media from clogging with particulate

Manufacturer Mazzei Injector Corporation Model Number 684-NPVDF Connection Type Male NPT (National Pipe Thread) Operating Principle Differential pressure venturi with internal mixing vanes Vacuum Generation Minimal inlet/outlet pressure differential required Material Properties UV resistant

100% Phosphate Media

Anion Hydroxide Form

Compatible for The Heater Treater 20 Replacement Cartridge - Carbon Block with Phosphate Size_UV 5-10 GPM 🔧 Pro Tip: Always installThis carbon block replacement cartridge maintains your Heater Treater 20 system with dual action sediment and chemical filtration, plus phosphate scale inhibition for water heater protection. Designed for 12 month service intervals with 5 micron filtration and a ribbed surface that increases filter capacity and contact time. SPECIFICATIONS Filter Performance & Dimensions Compatible Model Heater Treater 20 (FTHT 20 REVFLO G) Filtration Type Carbon