Seating tubeless tyres correctly requires an instant high volume shot of air. Control Tank is pumped up using a conventional track pump (with a pressure release valve to prevent over filling) before delivering 1450cc of air instantly to seat a tubeless tyre on the rim, before switching back to the conventional pump to reach the precise desired pressure. Control Tanks Auto Head valve automatically switches between Presta and Schrader for road and mountain bike use, two tough feet provide a stable base and the steel tank construction offers long lasting service.Material: Steel tankTank volume: 1450ccGauge: No gauge, pressure release switchBase: Two tough plastic feetValve: Auto Head - Presta and SchraderHandle: Easy carry handleFeatures: Instant 1-shot air release for seating tubeless tyresInflates using Schrader valve