Pre-Filter Compatible with Levoit Core 300 & PuroAir 240 Air Purifier, for Core 300S P350 Core300-P Filters, Fit Part# Core 300-RF P350-RF, 6-Pack

Pre-Filter Compatible with Levoit Core 300 & PuroAir 240 Air Purifier, for Core 300S P350 Core300-P Filters, Fit Part# Core 300-RF P350-RF, 6-Pack