Professional: Hardware

How to change filter in a receiver
Play (00:22)
How to attaching sport locks to SureFit receivers
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How to choose the right sport lock for SureFit receivers
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How to change a colored HF3 filter in custom hearing aid
Play (00:58)
How to change SureFit domes
Play (00:25)
Learn how to measure to get the correct Beltone Prime...
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