This gauge set with hose adapters allows progressive pressure measurement on either West Marine or Bravo high-pressure inflator pumps. May be used by itself to check pressure. Inflate up to 15 psi (1 bar). Rubber armor protects gauge from bumps.Features:Compatible with West Marine and Bravo high-pressure inflator pumpsInflate up to 15 psi (1 bar) high-pressure inflatable floorsAllows for progressive measurement of pressure while inflating the boatIncludes:Rubber-armored gauge that reads pressure up to 15 psi (1 bar)Universal adaptors to fit all common valves and pump hosesInflation Guidelines:Tubes: Up to 3.5 psi/.24 barHP Floors: 11.6 psi/.8 barNote: Some spring loaded center push pin style valves may require the removal of center plastic spline inside the adapter fitting in order to allow a positive friction fit.