Spare Kit - Nitrile - For Models 217, 220, 254, 256 & 258 Pumps

This Spares Kit includes 1) 113N-18 Diaphragm, 2) 160-A-1207 Check Valves and 2) 160-A-1253 Sealing Washers, the replacement elastomer part for an Edson Models 220 Power Pumps and Models 217, 254, 256 and 258 18 GPM Manual Pumps. Nitrile is an elastomer with very good dynamic strength and is highly resistant to the effects of oils and general waste products.