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. Included parts: (2) 450C Chrome Compressors (2) Air Filter Assemblies (2) Remote Mount Brackets (2) Sets of Remote Mount Fittings (2) Sets of Spare Air Filter Elements (2) Leader Hose Clips (6) Air Line Clips with Included Hardware (8) Sets of Nuts, Bolts, Washers and Lock Washers (2) Heavy Duty 40-Amp Relays (1) One Heavy Duty Pressure Switch (110 PSI on, 145 PSI off) Air Line (For Remote Mount Filter Installation) Specifications: 12-Volt Permanent Magnetic Motor Duty Cycle: 100% @ 100 PSI Max. Working Pressure: 150 PSI Max. Amp Draw: 40 Amps Net Weight: 21.60 lbs.