Otofonix Noise-Canceling Hearing Aid Ear Dome Tips are recommended for those with moderate to severe hearing loss. They increase the sound's gain, especially at lower speech frequencies. To ensure your hearing amplifiers’ optimal performance, we recommend changing ear domes every 3 months or whenever: Ear domes are damaged Ear domes become stiff or discolored Ear domes do not fit well You experience an increase in whistling Available in 3 sizes, small (6mm), medium (10mm), and large (12mm.) Top-quality domes for sensitive skin.This accessory fits the following devices: Otofonix Elite Hearing Aid Otofonix Apex Hearing Aid Otofonix Encore Hearing Aid Otofonix Helix Hearing Aid Otofonix Sona Hearing Aid Otofonix Groove Hearing Aid Otofonix Revive Hearing Aid Otofonix Battery-Powered Hearing Aids Otofonix Rechargeable Hearing Aids Otofonix Rechargeable Streaming Hearing Aids
