These 20x25x4 Top Tech () compatible filters are specifically built to substitue for the name brand Top Tech 20x25x4 filters. These air filters are MERV tested to ASHRAE 52.2 test ratings assuring that our air filters will function as good or better than the name brand part number () filter. These air filters have the option of Odor Ban odor reducing carbon technology. *Brand names are listed for air filter substitution identification purposes only.
- 20 x 25 x 4 nominal size.
- 19-3/8 x 24-3/8 x 3-3/4 actual size.
- Replaces Top Tech brand 20x25x4 part number: .
- Envaero brand by Accumulair.
- Specifically designed to replace the name brand filter.
- Preassembled in frame for ease of installation. (No end caps needed, don't need expanded with combs, etc.)
MERV graded to ASHRAE classifications.
- Option of Odor Ban odor reducing carbon-inlayed media.
- 3 filters to a case.