
Open Dome
Function
Anchors tube to the ear and directs sound
How to select
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Open style with different sizes (mm): 4 (S), 8 (M), 10 (L)
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Size should balance comfort and hearing aid stability needs
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Pick size based on existing use or try new
How to replace
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Hold edge of dome with thumb and forefinger and pop off from tube
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Push new dome onto ribbed end of tube; should stay in place when you release
Good practices
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Note size (e.g. M) that feels best for you
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If you do not know your size, try 'Select Pack'
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Change when discolored or feels loose
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Replace every 3 months or as needed