Valve A: Diameter: 22mm
Valve B: used for Jilong brand inflatable products, diameter 23.9mm
Valve C: Used for inflatable articles of the Bestway brand, diameter: 23.3mm
Valve D: for Intex inflatable boats, code 68345/68347/68349/68351, etc., diameter: 22.9mm
Valve E: for intex inflatable bed, code 68950/68757/68758/68759/68755/68765, diameter: 22.0mm

Suitable mattress models: 66723, 66724, 66725, 68926, 66767, 66768, 66769, 66770, 69