450C Dual Performance Value Packs include two 450C compressors, two heavy duty 40-amp relays and a 110 PSI cut-on, 145 PSI cut-off pressure switch. Each Dual Performance Value Pack comes with remote mount filter assemblies and mounting hardware. Dual Performance Value Packs are rated to fill tank volumes up to 10 gallons; 12 Volt Compressor; Permanent Magnetic Motor ; Duty Cycle: 100% @ 100 PSI; Max. Working Pressure: 150 PSI; Max. Amp Draw: 40 Amps; Net Weight: 21.60 lbs.