Part Type: A/C Receiver Drier. Filter Drier. Steel Filter Drier. Desiccant, Dessicant, Filter Drier, V.I.R. Assembly, VIR Assembly. Style: Steel Filter Drier. 1991 Mack CL OE No. 221RD312; 221RD333; Filter Driers; Fitting Type: Male Insert O-Ring; Length: 9 In.;.
