GOLDEN ICEPURE Whole house Sediment Water Filter Cartridge replacement for Any Standard RO system unit,Compatible With DuPont WFPFC5002,Pentek DGD series, RFC series,WHIRPOOL WHKF-GD05 NSF42 Certified Filter by WQA Filter size:10"2.5" Absolute 5 Micron Last up to 3 Months or 15000 Gallons Remove sediment such as sand, rust particles and scale particles. Compatible with universal standard 10whole house water filter system, RO system. Like DuPont WFPFC5002,Pentek DGD series, RFC series,Aqua Pure AP110,WHIRPOOL WHKF-GD05 ect