6-Pack Replacement Honeywell 18150 Air Purifier Pre-Filter - Compatible Honeywell HRF-APP1 PreFilter

6-Pack Honeywell 18150 Humidifier Filter - Replaces Honeywell HRF-APP1 PreFilter. . Please check your filter to make sure it matches the image and description before ordering.. Please note: This is an UpStart Components brand replacement part not an OEM product. This product is not affiliated with any OEM brands and is not covered under any warranties offered by the original manufacturers. Any warranties for this product are offered solely by Upstart Components. All mentions of brand names or model descriptions are made strictly to illustrate compatibility. All brand names and logos are registered trademarks of their respective owners.