Widex Cerustop Filters Same filters as Widex Cerustop. Traps moisture and wax. There are 8 filters per pack and 5 packs per order. Total 40 filters. Please check the type of filters suitable for your hearing aids. To remove the old wax protector, insert the threaded end into the opening of the wax protector, twist and remove the old protector. To insert the new filter, rotate the tool and insert the new earwax shield. At Hearing Aid Battery Club, you know that you are buying safe accessories, batteries and spare parts from the original manufacturer.
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