First Defence House Prefilter: Whole House Spin Down Sediment Filter, designed to prevent contaminants such as sediment, rust, calcium deposit, and sand granules. If you need , search for DB10C-2 Protection: For your homes plumbing, kitchen and bathroom fixtures from damaging particles found in City or Well water responsible for clogging faucet, shower head, water appliances such as water heater, washing machine and other water-related equipment 100% Safe Material: BPA FREE. 40 Micron food grade stainless steel mesh filter to capture particles larger the 40μm from entering your home. Valve head made of high quality brass; The transparent screen filter bowl can withstand a burst pressure of more than 725 psi (5Mpa), has excellent anti-freezing and water hammer resistant capabilities Suitable For City Water And Well Water: Including a extra 200μm filter element for free. Flow rate: 20GPM. If using it on Well, Lake feedwater, you can replace it with the 200μm filter element Flexible Installation Connections: The Whole House Water Filter is supplied with 1" Male NPT, 3/4" Female NPT and 3/4" Male NPT. (Not included threaded connector in the package, needs to be purchased according to the specifications of water pipe)