In- Central Whole House Prefilter ●【First Defense of Whole House】 AL-PRE1 Whole House Pre-Filter, with a 40-50micron 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. ●【Easy to Clean】Once prefilter gets saturated with sediment, You don’t have to dismantle all your tubes and pipe fixtures when you need to clean our sediment filter, just open the drain valve and rotating double-sided scraper for at least 30 seconds to clean the whole system to ensure filtering effect. Regular flushing will help extend the lifespan of the filter (recommended to clean it once a month). ●【Featured Material】 The 40-50micron filter mesh is made of 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】- The Filter is supplied with 3/4 Female NPT, 1/2 Female NPT. 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 wont affect your existing water pressure levels. Specification: model：AL-PRE1 Water treatment machine Type: Pre-filter Filter Material: Stainless Steel Mesh 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 copper Suitable for Water Quality : Municipal Water Flow: 3000L/h Filter Precision: 40-50μm Working pressure: 0.1-1.0MPA （1bar-10bar） Applicable water temperature: 1-40 ° C Suitable for water pipe size: 1/2 ′′ internal thread adapter is included, requires customers to buy 3/4 ′′ 1′′ adapter by themselves. Product size: 260mmX60mmX125mm 1 Set Package Includeds: 1 * Prefilter 1 * Users Manual 1 * Special wrench 2 * 3/4 to 1/2 internal thread adapter 1 * Drain valve 1 * PE water pipe