Manufactured from 304L stainless steel and available in 6 thread sizes from 0.750–1.875 in., Boss Mount Strainers feature corrugated screen design which ensures maximum open area for optimal debris holding capacity. Single piece element can withstand differential pressures up to 500 psid without rupture. With standard screen hole sizes of 0.038 and 0.062 in., strainers are suited for lubrication systems and large fuel pumps which require coarse filtration, without risk of pressure drop.