Our 16x20x4 Top Tech () style filters are specifically designed to substitue for the original manufacturer Top Tech 16x20x4 filters. Filter Hut air filters are MERV classified to ASHRAE 52.2 test classifications establishing that our filters will operate as good or better than the name brand part number () air filter. Our filters are available in Odor Ban odor eliminating carbon-inlayed media. *Company names are used for filter replacement identification purposes only.
- 16 x 20 x 4 nominal size.
- 15-3/8 x 19-3/8 x 3-3/4 actual size.
- Replaces Top Tech brand 16x20x4 part number: .
- Envaero brand by Quality Filters.
- Engineered to substitute for the name brand filter.
- Preassembled in frame for ease of installation. (No end caps needed, don't need expanded with combs, etc.)
MERV tested to ASHRAE standards.
- Available with Odor Ban odor filtering carbon-infused media.
- 3 air filters per case.