Filter Hut's 17x21x5 Rheem/Ruud (Protech 540016) compatible air filters are specifically engineered to substitue for the original brand Rheem/Ruud 17x21x5 air filters. These air filters are MERV classified to ASHRAE 52.2 test classifications assuring that our filters will capture particulate as good or better than the OEM part number (Protech 540016) filters. These air filters have the option of Odor Ban odor eliminating carbon-infused media. *Trade names are listed for filter substitution identification purposes only.
- 17 x 21 x 5 nominal size.
- 17-1/4 x 20-3/4 x 4-3/8 actual size.
- Replaces Rheem/Ruud brand 17x21x5 part number: Protech 540016.
- Quality Filters Envaero brand.
- Specifically designed to substitute for the name brand filter.
- Preassembled in frame for ease of installation. (Non-expandable, no end caps needed, etc.)
MERV rated to ASHRAE classifications.
- Available in Odor Ban odor filtering carbon media.
- 2 filters to a case.