... . 3.High qulity and competitive price. Foam Bladder Tank proportioning System Mounting type : vertical , horizontal Storage capacity ... 175PSI)Bladder : Buna -N with Nylon Reinforcement Main parts : tank , bladder , external pipe , pressure proportional,Vent and drain ... foam concentrate control valve , foam concentrate ,level indicator ,pressure gauge , safty valve.Suitable for : Foam 3% and 6%Fishing ...