KUKqTtpUEzk, How to use a DRYING KIT for all hearing aids – IMPROVE RELIABILITY, by R J Donnan Hearing Care, Once you’ve got into the idea of using a drying kit, you should probably upgrade and buy an AMPLICOMMS DRI AID or a UNITRON CLEANDRY, which are more substantial electric versions, available at www.hearingaidparts.co.uk, part of R J Donnan Hearing Care,