Rated at 100 Micorn. Whole House Spin Down Sediment Water Filter. Ideal frontier water filter protecting your entire plumbing system from sediment, rust, dirt, sand, and large particles. NOTE: Screens with 100 or 100 microns may be clogged very soon for water with high sediment content. Contact us for screen replacement in different size Flushable and reusable takes the considerable workload off finer filters that follow behind it; unlike traditional sediment filters, regular flushing keeps the WSP performance in control. WSP series can be used for waste water treatment by spin down the sediment. Safe and Reliable. Solid lead-free brass machine head with stainless steel mesh filter screen that usually lasts 1 - 2 years User Friendly with double threads.1-inch MNPT and 3/4 inch FNPT on both ends, garden hose barb fitting on flush out valve. See-through housing provides easy visual monitoring Indoor friendly. Its for 40- 100F, 15 -115 psi and for indoor use only