VEVOR Whole House Water Filter System, 3-Stage | Sediment, IMR, CTO | 4.5" x 20" Home Water Purifier Filter Reduce Iron, Manganese, Chlorine, Bad Taste, Odor, Rust
Inlet & Outlet Port Size: 1" NPT Female Thread (1-inch National Pipe Taper). Adapter Note: Standard 1" NPT male to 3/4" adapters are used if your plumbing line is 3/4".
Filter replacement time depends mainly on water quality and water usage. Check the pressure gauge on the filter. If the water pressure becomes very low and cannot meet daily usage requirements, the filter needs to be replaced.