Drummond Scientific 4-000-010 Diaphragm Kit for Pump for Original Pipet-Aid

Replacement parts for Original Pipet-Aid with diaphragm-type pump, for filling and delivery from most pipets size 1 mL to 75 mL. When diaphragms inside pump are split or dried up and cracked, they must be replaced. The Diaphragm Kit for Pump contains: two diaphragms and one hinge.