Home Master HMF3SDGFEC Whole House 3-Stage Water Filter with Fine Sediment, Iron, and Carbon Massive filter housings with 1-inch ports for the strongest water pressure possible - up to 15-gallon per minute. Dimensions 25 h x 24 w x 9 d inches Multi gradient density replaceable sediment filter produces finer filtration and greater dirt holding capacity; filtration down to 1 micron 100,000-gallon capacity replaceable coconut shell carbon filter provides a full year of clean water for a family of four Excellent purification - removes up to 95-percent of iron, manganese, sediment, chemicals and other contaminants that create foul tastes and odors Oversize filters improve flow rate and reduce maintenance frequency