DWK Life Sciences DURAN™ Filter Apparatus, Witt Type, complete, with interchangeable lid, and KECK™ assembly set, standard ground joint 29/32: Bottle Tops and Filter Units Filtration | Fisher Scientific
244504608 - DURAN Lid for filter apparatus, Witt type, wide rough-ground tubulature, DN 100, NECK NS 45/40 | analytics-shop.com