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21-1/4 X 21-3/4 X 1 Exact Air Filter Glasfloss GDS Series Disposable – Box Of 12
$98.99
- Effortless solutions, excellent customer care.
- No-Questions-Asked Returns
- Where quality meets convenience.
- 100% High-Quality Guarantee
Glasfloss GDSÂ 21-1/4 x 21-3/4 x 1 disposable, double-strut furnace filters are excellent for protecting your HVAC (Heating, Ventilation & Air Conditioning) and removing dust, dust mites, pollen and other pollutants from your indoor air. These air filters also offer a double-strut design that provides durability and a 10% greater open surface area than traditional fiberglass filters. The air filter frame is constructed of heavy-duty craftboard that the fiberglass media is bonded to.
- Heavy-Duty Craftboard Frame
- Fiberglass Media
- Easy Disposal and Incineration – No Metal Components
- 10% Greater Open Area Than Other Furnace Filters
- Good Equipment Protection
- Click Here for Air Filter Change Frequency (Opens in new window)
*Stock photo for reference only
| Brand | Glasfloss Industries |
|---|---|
| MERV | N/A |
| Pleats per Foot | N/A |
| Nominal Size | 21-1/4 x 21-3/4 x 1 |
| Actual Size | 21-1/4 x 21-3/4 x 5/8 |
| Sizing Information | (Nominal Size vs. Actual Size) |
| Change Frequency | 30 Days (More Info) |
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