The Drench-Mate Service Kit 3-Ply Diaphragm & Flapper is the heavy duty replacement diaphragm and flapper valve for the Drench-Mate System. The The Drench-Mate system is a unique, high quality pumping system specifically designed for pumping fluids into ruminants. Diaphragm & Flapper Valve only. Free Shipping within the US.
Service Kit Diaphragm & Flapper (3-Ply) #14 on the parts diagram which is found under the 'Download Tab'