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by beefok 1485 days ago
I've never used the cleaning stuff they are talking about that would damage the foam, but just in case, I've placed a filter[1] in the tubing. It actually makes breathing with it a bit harder -- which is kind of stupid of me to do, considering the CPAP is made to make breathing easier. But I'm only doing this because I fear the thought of just inhaling toxic fumes every night.

[1] - https://www.amazon.com/gp/product/B098X8TPQQ/ref=ox_sc_act_t...