Polyester Air Filters
Brand: Glasfloss
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- 100% non-woven polyester media to maximize its high dust holding capacity
- Closed corner construction prevents dust laden air from by-passing the media through open corners
- Media is encapsulated between two metal grids to prevent filter blow-out under normal operating conditions
- Recommend that this polyester filter be changed every 30 days or more often as needed.
Better than fiberglass filters in use more than fifty years. Best brand of polyester we have seen. Economical, but sturdier than models you find at large chain or discount stores. The Glasfloss brand is quality construction. We rate it 2 and a half out of 6 Stars - the upper limit of low-end filter options. Rated ULClass 2.
Polyester Air Filters - the multi pack is a good way to have a fresh fillter whenit needs to be changed.