Stainless steel mesh filter screen with a pore size of 50 microns. The ideal first line of defense for finer filters, or expensive plumbing appliances. WSP series can be used for waste water treatment by spin down the sediment. Includes Siliphos to help 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. Flushable w/ various micron size options available; helps create a multi-layer gradient filtration system for better filtration results and longer filter life. See through housing offers easy visual monitoring; lead-free brass body with 1-year warranty Comes with Two 3/4 inch Push-Fit x 3/4 inch Male NPT braided stainless steel water hose connector with built-in Ball Valve for connecting standard PEX, PVC, CPVC and Copper pipes.