HF4 BLUE Wax Guard Wheel for Siemens Hearing Aids – BLUE SIDE LEFT Product Details BrandSiemensManufacturerSiemensProduct TypeHearing Aid And Amplifier Earwax Guards HF4 BLUE Wheel of 15 wax filter screens, replacement tool included.BLUE for LEFT side Hearing AidFits custom In-The-Ear (ITE); Full-shell, Half-shell, In-The-Canal (ITC), and Completely-In-Canal (CIC) hearing aids from SiemensThese wax filter screens are 2.5mm in diameter and come with a tool to replace the filter in your hearing aid Check out my other items. – Powered by