Fiberglass panel filters are available in multiple sizes to fit a variety of HVAC units. The P100315 20 x 20 x 1 fiberglass filter has been designed to remove particulates such as dust and dirt that can circulate through a HVAC system and contaminate your home's air quality. This filter also can be used to help protect the HVAC system from dirt, dust and grim buildup, especially along the system's coils.
Panel filters typically have lower MERV ratings than pleated filters; however, fiberglass panel filters are less expensive. A panel filter will need to be changed at least once a month, making Discount Filters multi-packs of replacement filters a budget-friendly purchase. The 20 x 20 x 1 fiberglass filter features a UL 2 rating from Underwriters Laboratory and a MERV rating of 4.
- Nominal size: 20 x 20 x 1
- Actual size: 19 7/8 x 19 7/8 x 7/8"
- Construction: fiberglass, flat panel (coated to catch more dust/dirt)
- Disposable/package of 12—a one year’s supply
- MERV rated 4
- Life expectancy: 1 month