All sanitary welds, AISI 304 stainless steel. Total length is 36 inches. Length of actual Pre-Filter is 20 inches. The Pre-Filter is made with AISI 304 perforated stainless steel. Allows you to pull all the liquid from a bin or tank and leave all the skins and seeds. Has a 1.5" Tri-Clover fitting for attaching to hose.