BestAir® 16 x 25 x 4, Air Cleaning Furnace Filter, MERV 13, Removes Allergens & Contaminants, For Honeywell Models Organic Plant Food & Fertilizer Slim head design allows access

Slim head design allows access into tight spaces

holds fast in framing

1/4" NPT Male End Fittings

Extra heavy-duty rated for steam shower use

BestAir® 16 x 25 x 4, Air Cleaning Furnace Filter, MERV 13, Removes Allergens & Contaminants, For Honeywell Models Organic Plant Food & Fertilizer Slim head design allows accessIndoor air quality is commonly affected by particles such as dust, pet dander, and viruses. BestAir is dedicated to providing a clean and comfortable indoor environment for everyone. We have a complete array of high quality humidification wicks, air cleaning filters, and many other accessories, which will ensure that your indoor air quality will be the BestAir that you and your family can breathe. We are the largest manufacturer of replacement filters