Watts WH-LD Premier Whole House Water Filtration System WHOLE HOUSE WATER FILTER: The Whole House Filter provides cleaner water into your home while protecting your water heater, washing machine, refrigerators, ice-makers and other appliances from the harmful build-up of sediments, dirt and rust. WATER PURIFIER: This system is equipped with a built-in bypass valve for convenient access to the unit for your filter changes or whenever you need to shut it down. WATER FILTRATION SYSTEM: The ports on the system lid are  to fit all standard household plumbing. This system is equipped with a 50 micron sediment filter, ball valve, and wrench. EASY TO INSTALL: It uses stainless steel inserts for easy installation with some basic plumbing skills BEST WATER PURIFIER: Clear housing allows to see all of the dirt and debris that is being filtered out and helps identify when its time for a filter change. Its operating Temperature is maximum 100(F) and minimum 40 (F)