If you read what i had written you would see that I'm referring to venting through the back of the counter top.
Nowhere do I suggest that the OP should drill holes in the wall.
Its useless discussing things with you if you keep ducking and diving, & instead of giving clear & honest answers to simple questions you keep leaping off page.
Your post is irrelevant to all that had gone before - for the last time: where did I suggest drilling holes in the wall?
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