The Quick-Fit (QF) Slip Duct is sometimes referred to as slip joint, telescopic piece, telescope, or make up piece. It is being used to provide variable length adjustment of a Quick-Fit system by eliminating precise measurements.
Nordfab's Quick-Fit (QF) O-Ring is a replacement O-Ring for Quick-Fit (QF) Slip Duct. The O-ring contains of an EPDM material and is available in 6, 8, 10 mm thickness.