Purolator Key Pleat Air Filter, supplied by Sterling Seal & Supply is a standard capacity pleated filter, available in 1 , 2 or 4 depths and several standard face sizes to accommodate most system requirements. 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. ** FACTS ABOUT HOME AND BUSINESS AIR FILTERS, ALLERGIES, AND FILTER QUALITY ** When looking to replace your air filter, there are typically two different sizes you need to understand, Actual Size and Nominal Size . First: The Actual Size consists of the true dimensions of your filter when measuring length, width and Depth (thickness). These dimensions typically include a fraction of an inch within them. For example: 19 1/2 x 19 1/2 x 3/4 Second: What you might not realize is that filters are not sold by their actual dimensions. Instead a rounded up number is used to label filter packages. This measurement is referred to as the Nominal Size . Third: So 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 , and that will be the measurement to look for when buying your replacement filters. ** Check your air filters every month ** Heating and cooling can account for more than 50% of your home energy use. By cleaning or replacing air filters regularly, you can improve the performance of your system and reduce energy costs. Save up to $75 per year!!! A dirty air filter reduces the air quality in your home. Poor home air quality can aggravate allergies and asthma, particularly children's allergies. Change your filter for your family's health. ... A dirty air filter makes your heating and air-conditioning systems and your ducts get dirty faster. Purolator Key Pleat Air Filter, supplied by Sterling Seal & Supply is a standard capacity pleated filter, available in 1 , 2 or 4 depths and several standard face sizes to accommodate most system requirements. 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. ** FACTS ABOUT HOME AND BUSINESS AIR FILTERS, ALLERGIES, AND FILTER QUALITY ** When looking to replace your air filter, there are typically two different sizes you need to understand, Actual Size and Nominal Size . First: The Actual Size consists of the true dimensions of your filter when measuring length, width and Depth (thickness). These dimensions typically include a fraction of an inch within them. For example: 19 1/2 x 19 1/2 x 3/4 Second: What you might not realize is that filters are not sold by their actual dimensions. Instead a rounded up number is used to label filter packages. This measurement is referred to as the Nominal Size . Third: So 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 , and that will be the measurement to look for when buying your replacement filters. ** Check your air filters every month ** Heating and cooling can account for more than 50% of your home energy use. By cleaning or replacing air filters regularly, you can improve the performance of your system and reduce energy costs. Save up to $75 per year!!! A dirty air filter reduces the air quality in your home. Poor home air quality can aggravate allergies and asthma, particularly children's allergies. Change your filter for your family's health. ... A dirty air filter makes your heating and air-conditioning systems and your ducts get dirty faster. KP-5251021496x2 Mechanical MERV8 Filter. Air Flow Capacity listed at 300FPM Low initial resistance for energy savings, Quality Engineered, Consistently Produced, Made of 100% synthetic fibers, Made in the USA for over 30 years Single piece beverage board die cut frame, with structural integrity unlike any self supported filter available today Pleats hold together even when wet! No delaminating, no excessive buckling, no collapsing. Filter can endure impact and deformation and return to its original shape ACTUAL SIZE: 14-1/2 Width X 19-1/2 Height X 3/4 Thick, NOMINAL SIZE: 15 Width X 20 Height X 1 Thick Brand Name Lamons Unit Count 2.0 Count MERV Rating 8 Manufacturer Lamons Model Number KP-5251021496x2 Material Type Heavy Duty Beverage Board Frame, 100% Synthetic Filter Media Product Grade new Number of Items 2 Compatible Devices Air Conditioner, Furnace Manufacturer Part Number KP-5251021496x2 Item Dimensions L x W x Thickness 14.5 L x 15 W x 0.75 Th