All-purpose valve dispenses liquid lotion and detergent-type soaps. Dispenser has a capacity of 48 fl.oz. (1.4L). It has a tamper-resistant refill window with concealed fastening and vandal-resistant hinged filler top. Proper usage of this dispenser requires that only soap with a viscosity range of 100-2500 and a pH range of 5.5-8.0 may be used.