Spin Down Sediment Filters With Scraper, Well Water Filter System For, Bpa Free ?Ideal Choice for Well Water? 300 micron pre-filter is ideal size for well water filter system, as larger sizes(eg. 500micron or 1000micron) have poor filtration efficiency and smaller sizes(eg. 40 micron) are extremely prone to blockage. ?Reusable Longer Filter Life?No need for disassembly or manual washing. Easily rotate the scraping knob to scrape off particles trapped on the mesh, turn the drain valve to flush out sediments. Double-sided scraping helps extend the life of sediment filters, reducing product aging caused by frequent disassembly. ?100% Safe Material?Food-grade 316L stainless steel mesh + filter screen blocks impurities. Brass components are Lead-Free. BPA-FREE water filter bottle can withstand low-temperature as low as -22? degrees. Water hammer resistant testing is passed with 12 kg more than 150,000 times. ?Easy Installation?3 types of fittings provided in package(1" MNPT, 3/4" FNPT, and 3/4" MNPT). It can be adapted to your pipes, of different sizes in your home within minutes, without affecting the water pressure level. ?Attention?1. This filter can only apply to municipal tap water at +33.8? to +104?. Please do not use for waste water or corrosive liquid. 2. Please check that the direction of water flow marked on the valve body is consistent with the flow direction of the water pipe. 3. All installation, testing and maintenance should be carried out by professionals.