Title: Working without problems
Product review: After 2 months, the portable one is working fine. The fan is noisy, but does not bother anyone. At night in the bedroom, it is white noise. The canister Germ Guardian's fan is variable speed, and at low speed, that fan is quiet. This fan is one speed. I give it 4 Stars because i have no idea how well it is sanitizing the air. We need to see lab reports on its effectiveness.
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