Signia (Siemens) domes are available in the following sizes;
Open 4mm, 8mm, 10mm, Closed 6mm, 8mm, 10mm, Power 8-10mm and 10-12mm, Semi-Open (Tulip) Standard. Please take care when ordering that you know what size and type of dome you require. If in doubt please ask or alternatively seek advice from the company that supplied your hearing aids. If you order the wrong size / type of dome we are happy to replace with the correct item if the product is returned unopened and in a re-saleable condition. However, we cannot accept opened packets.