KF16 standard vacuum bellow hose (with wing nut clamps set) length:100 mm All ends are KF25/QF25/NW25 flange

All ends are KF25/QF25/NW25 flange

You can feel this adapter's quality compared to those provided by China drop shippers

10pcs KF 25 Viton o-ring (Green color)

You can feel the quality difference between this high quality cross adapter and those cross adapter from china drop shipper seller whose sell miscellaneous products

tapered thread / self sealing with telfon tape or liquid sealant

KF16 standard vacuum bellow hose (with wing nut clamps set) length:100 mm All ends are KF25/QF25/NW25 flangeStainless steel flexible hose with KF16 flange. include 2x Aluminum wing nut clamp set Centering ring O ring suitable for high vacuum application