Spares Kit - Nitrile - For Models 117, 120 & 557 Pumps

This Spares Kit includes 1) 113N-0 Diaphragm, 2) 160-G-107 Check Valves and 2) 160-A-1200 Sealing Washers, the replacement elastomer part for an Edson Models 120 Power Pumps and Models 117 and 557 Side Inlet One Gallon Per Stroke Manual Pumps. Nitrile is an elastomer with very good dynamic strength and is highly resistant to the effects of oils and general waste products.