new. Box Fan Filter Grip

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Feature

Manufactured with a proprietary silicone formula that is UV ray and ozone resistant
Makes it easy to make a box fan and a furnace filter into an affordable and effective air purifier
Sized to hold a 1" x 20" x 20" furnace filter to a typical 20" x 20" box fan with the electrical cord at the bottom
Great for allergy sufferers with a Merv 8 or higher rated filter
Great for your workshop or garage to reduce dust

Description

The Box Fan Filter Grip allows you to turn a 20" box fan and a 20" furnace filter into an air cleaner/purifier. The Box Fan Filter Grip consists of 2 Silicone bands that are sized correctly to hold a 1" x 20" x 20" furnace filter to a typical 20" x 20" box fan. The silicone used is a proprietary formula that resists UV rays and ozone. The grips work best on a box fan that has the electrical cord coming out of the bottom of the fan. This way the cord will not interfere with the filter insuring a more secure fit. Box fans are available online and at many different retailers. When selecting a filter, it is best to use a 1" x 20" x 20". This will give the best results. Filters are manufactured with different levels of filtration. If you are wanting to filter out the most common allergens, purchase a filter with a MERV 8* rating or higher. If you only want to reduce dust in a workshop for instance a lower rating would work. Filters like these are available online and at many different retailers. *MERV stands for Minimum Efficiency Reporting Value. This rating system was developed by the American Society of Heating, Refrigeration and Air Conditioner Engineers. MERV values vary from 1 to 16. The higher the MERV value the more efficient the filter will be in trapping airborne particles.