These 20x20x5 Ultravation (91-028) compatible air filters are specifically designed to replace the original manufacturer Ultravation 20x20x5 air filters. Our filters are MERV classified to ASHRAE 52.2 test standards ensuring that our air filters will perform as good or better than the OEM part number (91-028) filter. These air filters are available in Odor Ban odor filtrating carbon-inlayed material. *Company names are listed for filter style identification purposes only.
- 20 x 20 x 5 nominal size.
- 19-11/16 x 20-11/16 x 4-7/8 actual size.
- Replaces Ultravation brand 20x20x5 part number: 91-028.
- Quality Filters Envaero brand.
- Engineered to replace the original manufacturer filter.
- Filters framed and preassembled for ease of intallation. (Non-expandable, no end caps needed, etc.)
MERV tested to ASHRAE classifications.
- Available with Odor Ban odor filtering carbon-infused technology.
- 2 filters to a case.