Product Description The HF-360B Standard Duty whole-house filtration system with clear housing allows you to see your filter in action. Included with the unit is a P5 premium filter cartridge, SW-2A housing wrench and instructions. The Culligan HF-360B inline water filter housing extends the life of washing machines, water heaters and other household appliances. Valve-in-Head (VIH) patented technology in this filter system allows for easy water filter cartridge replacement, as it involves a simple half-turn of the shut-off valve in the cap to shut off the water supply when changing a water filter. With a quick and easy installation, this home filter includes a 3/4-inch FIP outlet and inlet, fittings not included. The filter housing comes with a 5-year warranty. From the Manufacturer The Culligan HF-360A whole house inline water filter housing extends life of washing machines, water heaters and other household appliances. The Valve-in-Head (VIH) patented technology allows for easy water filter cartridge replacement. Valve-in-Head involves a simple half-turn of the shut-off valve in the cap to shut off the water supply when changing a water filter. Quick and easy installation. Clear housing construction. Includes a 3/4 inch FIP outlet and inlet, fittings not included. A filter housing wrench is included and the housing comes with a 5 year warranty along with a P5 Poly Spun Sediment Filter.