Lamons KP-20x25x1x2.AZ.DSC Air Filter, Assigned by Sterling Seal & Supply (STCC), 20x25x1 Purolator Key Pleat Extended Surface Pleated Air Filter, Mechanical MERV 8 (Pack of 2)

Furnace air filter, 20x25x1 (actual size 19-1/2" x 24-1/2" x 3/4") PUROLATOR key Pleat extended surface pleated air filter, mechanical MERV 8 by Sterling seal & supply, Inc (stucco) (2-Pack) is a standard capacity pleated filter, available in 1", 2" or 4" depths and several standard face sizes to accommodate most system requirements. The PUROLATOR key Pleat air filter, supplied by Sterling seal & supply, is a mechanical MERV 8 filter.

A seven-strap die cut is located on the air-leaving side of the key Pleat MERV 8, providing additional strength and durability to each filter. The inside of the die cut frame is coated with adhesive to ensure a solid bond at all points of contact with the media Pack. The Pack is sealed inside the frame, and Pleat tips are bonded to the stabilizers and diagonal support members.

When looking to replace your air filter, there are typically two different sizes you need to understand: "actual size" and "nominal size". The actual size consists of the true dimensions of your filter when measuring length, width, and depth (thickness), which typically include a fraction of an inch. The nominal size, on the other hand, is a rounded-up number used to label filter packages, which is the measurement to look for when buying your replacement filters.

For example, a filter with actual dimensions of "19 1/2 x 19 1/2 x 3/4" will have a nominal size of "20 x 20 x 1".

It is recommended to check your air filters every month, as heating and cooling can account for more than 50 percent of your home energy use. By cleaning or replacing air filters regularly, you can improve the performance of your system and reduce energy costs, potentially saving up to $75 per year.

The Purolator furnace filter - style key pleat, mechanical MERV 8 filter, is a quality-engineered product, consistently produced, and made of 100 percent synthetic fibers. It has been made in the USA for over 30 years. The single-piece beverage board die-cut frame provides structural integrity unlike any self-supported filter available today. The pleats hold together even when wet, with no delaminating, excessive buckling, or collapsing. The filter can endure impact and deformation and return to its original shape.

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