Half air compressor, half traditional pump, the Joe Blow Booster pump just made it easier to install tubeless tires Features an integrated air chamber that stores an air charge of one liter, up to 160 psi to quickly fill your tire and ensure proper installation Flip the selector from ôchargeö to ôinflateö air will bypass the chamber and flow directly into your tire like a standard tire pump Features a top-mounted, easy-to-read gauge, air release button and an extra-long hose Measures 29ö x 9.8ö x 7.3ö Weighs 6 lb. 6.4 oz.. TIRE PUMP JOEBLOW BOOSTER