Products search Shop By Category Call 866-674-6225AdaptersCF Flanges and FittingsHigh Vacuum Bellows SS HosesValvesWeld TubesISO Flanges and FittingsKF (QF) Flanges and FittingsAlcatel Vacuum Pump PartsLeybold Vacuum Pump PartsPfeiffer Vacuum Pump PartsWelch Vacuum Pump PartsGreases – SuppliesVacuum Rated HosesUniversities OnlyPressure Measurement VacuumCustom Vacuum Components / Vented ScrewsGS Series Ball ValvesSuper Sale Items316 Stainless Steel ComponentsBriskHeat®KF (QF) to CF adapter, KF (QF) 50 to CF 4.50 inch Flange, 304 SS$137.03Product Code: MKCF450KF50ADP Category: Vacuum Adapters KF (QF), NPT, VCR, ISO, CFFlange to Flange Adapters KF, QF, CF, ISOAvailability: In stock KF (QF) to CF adapter, KF (QF) 50 to CF 4.50 inch Flange, 304 SS quantity Add to cart Free Shipping on Orders Over $100**Exclusions apply. See Shipping & Return Policy for details.KF (QF) to CF adapter, KF (QF) 50 to CF 4.50 inch Flange, 304 SSA(inch)B(inch)C(inch)KF504.501.95Related products KF (QF) to CF adapter, KF (QF) 16 to CF 1-1/3 inch Flange,304 SS $57.86 KF (QF) to CF adapter, CF 2.75 to KF (QF) 25, 304 SS $65.98 KF (QF) to CF adapter, KF (QF) 50 to CF 1-1/3 inch Flange, 304 SS $71.05 ISO to CF adapter, ISO 80 to CF 6.00 Flange, 304 SS $245.63