Reagent injection valves for diaphragm metering pumps up to 20 L/H. Connection: 3/8. Material of execution: coupling - Viton, body - polypropylene. Buy spare parts for pumps of the Italian company ETATRON D.S. You can place an order in our online store using a simple form. If you have any questions, you can call the specified phone numbers or order a callback. Our online store specialists will advise you and help you make the right choice.