NPT Connection Capsule Filter (1/4" 1/8") Filter Medium PP, PES, PTFEOuter cage PolypropyleneDimensionsNominal Length 4.6 in (117mm)Diameter 2.8 in (72mm) ConnectionsInlet/Outlet - 1/4NPTVent,Drain - 1/8NPTProduct Link www.cobetterfilter.com/Product/Capsule_Filters.html Company Web www.cobetterfilter.com 0.2um Sterile Capsule Filter (NPT1/4-1/8)