Rinse and Drain Tubing Hookup Kit for ASX-560 and ASX-280 Autosamplers including: 1/8” X 3/16” KYNAR® PVDF couplers (qty. 2), 72 in (1.8 m) of 3/16” (4.8 mm) ID tubing, and 72 in (2.1 m) of 1/8” (3.2 mm) ID tubing. Material: Chemical resistant Tygon 2375, Typical use: Aqueous.