Description Manuals Videos Articles Popular Accessories Clemco 21684 - Filter, Air (MS), 1/2 Auto Drain Customers Also Viewed Universal 4" Flex Hose Pipe Adaptor #23295 $66.23 Service Kit, Air Filter (seals) (S) 1 inch #22417 $105.97 CAT cool-air tube body #08961 $65.60