ISpring F3WGB32BM 4.5 x 20 3-Stage Whole House Water Filter Set Replacement

F3WGB32B F6WGB32B F3WGB32BM F3WGB32BPB F3WGB32BKS. We aim to make high-quality drinking water accessible to all households. ISpring iron & manganese reducing filter efficiently reduces iron (max 3.0 ppm down to 0.01 ppm) and manganese (max 1.0 ppm down to 0.01 ppm) Filtration Capacity: 50k gal at 3.0ppm for iron.