Phonak Slim Tubes 4.0 00L 5-Pack headphones-tv simply remove the dome from

simply remove the dome from one end

and drills

make sure that the plus sign on the battery matches the plus sign on the hearing aid

Application: The battery is activated by removing the adhesive film from the battery

This pack is the 00 size for the left hearing aid

Phonak Slim Tubes 4.0 00L 5-Pack headphones-tv simply remove the dome fromPhonak Slim Tube 4. 0 00L hearing aid tubes fit Marvel and Paradise hearing aids. This replacement pack of five slim tubes is for behind the ear hearing aid models that require semi annual replacement. These hearing aid tubes come in five lengths for both the left and right hearing aids. A comfortable fit is important, so be sure that you select the correct size. This pack is the 00 size for the left hearing aid. Replacement Made Easy To replace