Filter Hut 17x21x5 Rheem/Ruud (Protech 540016) replacement filters are specifically designed to substitue for the original manufacturer Rheem/Ruud 17x21x5 air filters. Our filters are MERV classified to ASHRAE 52.2 test ratings assuring that our filters will operate as good or better than the name brand part number (Protech 540016) air filters. Our filters have the option of Odor Ban odor reducing carbon-inlayed media. *Brand 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.
- Envaero brand by Accumulair.
- Designed to substitute for the OEM filter.
- Filters framed and preassembled for ease of intallation. (Non-expandable, no end caps needed, etc.)
MERV rated to ASHRAE grades.
- Option of Odor Ban odor reducing carbon-inlayed material.
- 2 filters per case.