I use these periodically to get rid of them. Work way better than the less aggressive options https://www.amazon.co.uk/Clothes-Moth-Killer-Smoke-Bombs/dp/B0127Q885S
Apparently the active ingredient in that is lethal to cats.
Very possibly. It comes with rubber gloves and a face mask.
Do you have a link for proof? We have moths, and a cat, and so far have contained the problem by spraying moth killer spray around the affected areas. Edit: Just want to be informed before trying anything stronger.
@Howard started
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I use these periodically to get rid of them. Work way better than the less aggressive options
https://www.amazon.co.uk/Clothes-Moth-Killer-Smoke-Bombs/dp/B0127Q885S