HF4 Filters

HF4 Filters

$0.00$8.00


HF4 filters are designed to protect the speaker from wax and debris, prolonging the lifespan of your hearing aids. Signia have discontinued the HF4 and replaced it with the Signia Quick Guard model. At the moment, our remaining stock of the HF4 is being saved for existing Davidson clients who prefer to stay with the filters they are accustomed to.

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HF4 wax filters are designed to protect the speaker from wax and debris, prolonging the lifespan of your hearing aids. This model, is used on some of our RIC and custom in-the-ear products from ReSound, Siemens and Signia.