Replacement Plug Cap Kit Accessory Type Replacement Plug Cap Kit For Use With HPLC PTFE Manifold Material Polypropylene Compatible Mfr Part Number 28177 28178 28179 Compatible Grainger Part Number 2RYJ5 2RYJ6 2RYJ7 Includes (6) 1/4 in 28 Caps 3/8 in Cap