Products search Shop By Category Questions? Email us!sales@mackvacuum.com AdaptersCF 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 ComponentsKF (QF) to CF adapter, KF (QF) 40 to CF 3.38 inch Flange$105.56Product Code: MKCF338KF40ADP 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) 40 to CF 3.38 inch Flange 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) 40 to CF 3.38 inch FlangeA(inch)B(inch)C(inch)KF403.381.80Related products ISO to KF (QF) adapter, ISO 100 to KF (QF) 50 Flange, 304 SS $217.21 KF (QF) to CF adapter, KF (QF) 40 to CF 2.75 inch Flange, 304 SS $74.64 Adapter, ISO 80 to KF (QF) 50 Flange, 304 SS $187.78 ISO to CF adapter, ISO 80 to CF 4.62 Flange, 304 SS $220.65