Features:

• Electro-Air Part No. F825-0586
• Nominal size 20 x 21 x 5.
• Actual size (H) 20 3/4 x (W) 20 5/8 x (D) 5.
• Package contains 2 filters.
• No assembly required...no combs needed...filter just slides right in!

Product Description:

• Pre-applied gasketing on the assembled filter prevents air by-pass. 98% efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. Superior frame strength utilizing double wall construction and die cut fingers. This product is listed and rated by Underwriters Laboratories as U.L. Class 2.