A unique “hold-down” feature that allows the pump to be secured in the compressed position, ideal for shipping purposes. Unique threaded body disassembles quickly for sanitary cleaning. The body and head are polypropylene for maximum chemical compatibility. Use with cleaners, waxes, food products, cooking oils, hand soap, shampoo and germicidal detergents. Standard with Poly Flap Valve (HDPE). Made from FDA and USDA approved materials.