Home Large Room Air Purifiers Medical HEPA Air Cleaner for Allergies Smoke 22dB
As quiet as 22dB in low mod. "1x Separate H13 Filter": 1x Original Extra H13 HEPA Filter for MSA3. "2x Separate H13 Filter": 2x Original Extra H13 HEPA Filters for MSA3. "4x Separate H13 Filter": 4x Original Extra H13 HEPA Filters for MSA3.