Made of flexible, hypoallergenic acrylic or silicone/rubber materials.ActiveVent support: Special variants accommodate Phonak ActiveVent Receiver technologyBenefits. Reduces whistling sounds by sealing the ear canal tightly.
Made of flexible, hypoallergenic acrylic or silicone/rubber materials.ActiveVent support: Special variants accommodate Phonak ActiveVent Receiver technologyBenefits. Reduces whistling sounds by sealing the ear canal tightly.