• Nominal Size: 20 x 22 x 1, Actual Size: 19 1/2 x 21 7/16 x 3/4 
• Measure your air filter for the exact size and compare it to our actual size to ensure proper fit.
• Made with MERV rated synthetic poly blend pleated media
• Nordic Pure recommends changing 1" air filters every 30-90 days
• Made in the USA.

Product Details:

• Brand: Nordic Pure
• Material: Electrostatically Charged Synthetic Pleated Media
• MERV Rating: 12
• Compatible Devices: Air Conditioner, Furnace
• Global Trade Identification Number: 56
• Filter Shape: Rectangular
• UPC
• Number of Items: 3
• MERV Rating: 12
• Compatible Devices: Air Conditioner, Furnace
• Filter Shape: Rectangular