standard bag filter 　　weirity top-in inlet filter provides optimum filtration performance when combined with our high capacity filter bags. 1. hermetic seal to prevent liquid bypass 2. great efficient filtration area, higher filtration efficiency 3. changing filter bags more easily, lower cost 4. reasonable construction, more stable filtration 5. adjustable-height legs , fit idiographic area need 6. unique design, just think for you 　　weirity provides 2# 1# and 4# standard bag filters, and meets clients’ the most strict technical requires. provide cs, 304/316 stainless steel construction. different material o-ring, meet different fluid and temperature.