Shopping Cart (0) Quotes (0) Express Ordering All Categories > Vacuum Parts and Accessories > Klein Flange (KF) Fittings > Advanced Search Advanced Search in Klein Flange (KF) Fittings Unit of Measure Imperial Metric Both Technical Specs Size KF-16 KF-25 KF-40 Material 304 Stainless Steel Aluminum Polytetrafluoroethylene (PTFE) Stainless Steel Joint Size 24/40 29/42 34/45 45/50 Clear Cancel Advanced Search