Includes (1) N022053 Filter. New, Bulk Packed. Genuine OEM replacement part. Consult owners manual for proper part number identification and proper installation. Please refer to list for compatibility Compatible with : Porter Cable CPF23400S Type 2 4 GAL Air Compressor, DeWALT D55146 Type 3 Compressor, D55167 Type 3 Electric Compressor, D55168 Type 3 Electric Compressor, D55149 Type 4 Compressor, D55168 Type 4 1.8HP 15G Compressor, D55168 Type 5 1.8HP 15G Compressor, D55146 Type 4 Compressor, Bostitch CAP1645-OF (Type 1) C 4.5G Jb Ehp Of 200Psi B