Pump Plunger U-Seals, 18mm fits the following models:
Landa Pump Models
Legacy Pump Models
GM 4035.2, GM 4035.3, GM 6035.2, GM 6035.3
Hotsy Pump Models
HC 205 AL, HC 240 A, HC 340 R, HM 4035, HM 4035.3