About This Rated at 200 Micron. Ideal first stage water filter for residential homes to reduce sediment, rust, dirt, sand, and large particles before water entering to a finer whole house water filtration system Flushable and reusable takes the considerable workload off finer filters that follow behind it; helps create a multi-layer gradient filtration system for better filtration results and extend filter life. WSP series can be used for waste water treatment by spin down the sediment. Includes Siliphos to help soften water and prevent scale and stop corrosion, greatly extending the life of your plumbing fixtures. It is recommended that the filter to be replaced every 3-6 months to prevent scale from building up Double threads on both ends: 1-inch MNPT and 3/4 inch FNPT, flush out valve has garden hose barb fitting. See-through housing provides easy visual monitoring 40 - 100F, 20 - 100 psi, for indoor use only Overview Material : Brass Product Dimensions : 5"D x 5"W x 9"H Item Weight : 16 ounces External Testing Certification : WQA Product Benefits : Reduces sediment, softens water, and extends plumbing life