HPLC Replacement Carbon Filters Accessory Type Colormetric Carbon Replacement For Use With HPLC Coalescing/Carbon Filters Material Plastic Compatible Mfr Part Number 28161 28162 Compatible Grainger Part Number 1YNK8 1YNK9 Diameter 3 1/2 in Height 6 in Includes (3) Replacement Filters Package Quantity 3