Topeak AirBooster G+ CO2 Inflator - with GaugeA CO2 inflator with an integrated tire pressure gauge, featuring a 360 rotating gauge for easy viewing. It can be used independently as a tire pressure gauge or with CO2 inflators. Presta only CNC aluminum Reads 160 psi 11 bar, 1 1 2 analog 7. 8 x 4 x 3. 8 cm Item Specifications Cartridge Size 16,25 Cartridge Type Threaded Defined Color Black Gas CO2 Included Cartridge No Topeak AirBooster G+ CO2 Inflator CO2 and Pressurized Inflation Device UPC: