hand pump with barometer material:PP,Al tube Volume:2*2000cc It can work when you push and pull high quality and durable hand pump with barometerItem:BPK-114Material:PP,Al tubestandard parts:noumenon,hose connection,barometersize:18inches*3.94inchescolor box size:23*12*46.5cmhose length;50inches Functions: inflate the large inflatable products,namely ,rubber boats,drifting boats,air bed,tent etc. ...