Interdynamics Heavy-Duty, 12V Compressor Inflates BIG Tires to 275 PSI, Model# HD-275. Compressor has 47 CFH maximum air flow. Cord plugs into vehicle's 12V power port. Inflates TWICE as fast as other 12 Volt compressors. Fills a 9.50 x 16.5 truck tire in 5 1/2 minutes! 26in. air hose.