These Easyclear foam sponges are not Hozelock original, however are manufactured in the UK using aquatic grade foam and are cut to size of Hozelock originals
We recommend you replace your pond filter sponges once per year to maintain optimum filter performance.
Replacement filter foam for the Hozelock Easyclear filters
1 required from the Easyclear 3000
2 required for the Easyclear 4500 & 6000
3 required for the Easyclear 7500 & 9000