Central Whole House Prefilter First Defense of Whole House Whole House Pre-Filter, with a 40-micron pore size stainless steel filter, is designed to prevent particles such as sand, rust, limestone and sand from entering your home. Prolongs Water Facilities' Lifespan Protect your household plumbing, kitchen and bathroom equipment from particulate impurities in municipal water, which can block water taps, shower nozzles, water heaters, washing machines, RO water purifiers and other water-related equipment. Water Pressure Drive Auto-rotating Scraper Backwash Once prefilter gets saturated with sediment, You dont have to dismantle all your tubes and pipe fixtures when you need to clean our sediment filter, all you need to do is One key Turn right to open the sewage ball valve, The water flow drives the Propeller at the bottom of the Scraper, achieve an automatic rotating effect, and make the filter cleaner. Monitor Water Pressure Built-in water pressure gauge, monitoring real-time water pressure at any time, family members can take measures to deal with abnormal water pressure. To ensure the safety of water, general household water pressure range : 0.1MPA-1MPA. Featured Material The 40-micron filter mesh is made of 316L SUS stainless steel, and the head of the main body is made of lead-free brass, and the service life is more than several years. The heavy-duty food-grade transparent housing made in Germany does not contain BPA and has passed the water hammer test of 150,000 cycles and the highest pressure test of 1000 psi. Flexible Installation This Prefilter is supplied with 1''1/2'' 3/4" Male MNPT. It is suitable for any pipe, Customers only need to buy the corresponding adapter (The threaded adapter is not included in the package, it needs to be purchased separately according to the specifications of the copper/PEX/CPVC water pipe). And it won't affect your existing water pressure levels. Specification: Water treatment machine Type: Pre-filter Filter Material: 316L Stainless Steel Mesh Filter Maintenance: Clean the filter element every 15-30 days, and replace the filter element every 1-3 years according to the water quality. Material: Food grade explosion-proof PC Cover lead-free copperSuitable for Water Quality : Municipal Water Flow:3000L/H Filter Precision: 40mWorking pressure: 0.1-1.0MPA 1bar-10bar Applicable water temperature: 0-40 C Package: 1 * Water Purifier 1 * User's Manual 1 * Special wrench 2 * G3/4" MNPT adapterole House Prefilter