Topeak Air Booster CO2 Inflator Head with Sleeve TAB-2The Topeak Air Booster CO2 Inflator Head with Sleeve is made from CNC machined Aluminum. The silicone rubber sleeve can fit one CO2 cartridge. The double ended design allows you to store one CO2 cartridge. Compatible with Presta and Schrader Valves with an integrated dust cap. Simply push to inflate.883466016385