Hozelock Cascade Pump Chamber ‘O’ Ring Seal Viton FKM Rubber - Fits 3000/4000.

Fits Hozelock 3000 and 4000 Cascade Pump Chambers Only. This Sale Is For A Genuine Viton FKM Rubber ‘O’ Ring Seal. Being made of Viton rubber I find that they are far superior to the ones made of Nitrile rubber (which I have used in the past) as they are much longer lasting & a better fit.

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