Diffuser with PTFE Bushing, PP, Blue, Product Type Diffuser with PTFE Bushing, PP, Blue, For Use With EFP Models, Compatible Manufacturer Model Number EFP-16, EFP-40, EFP-54, S1, S1 DEF Kit, S1 Kit, S4, S4 DEF Kit, S4 Kit, Compatible with Grainger Part...