These 17x21x5 Rheem/Ruud (Protech 540010) compatible filters are specifically built to replace the original manufacturer Rheem/Ruud 17x21x5 filters. These air filters are MERV rated to ASHRAE 52.2 test standards ensuring that our air filters will operate as good or better than the OEM part number (Protech 540010) filters. Our air filters are available in Odor Ban odor isolating carbon-inlayed material. *Brand names are used for filter replacement 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 540010.
- Quality Filters Envaero brand.
- Engineered to replace the name brand filter.
- Filters framed and preassembled for ease of intallation. (Non-expandable, no end caps needed, etc.)
MERV graded to ASHRAE classifications.
- Option of Odor Ban odor isolating carbon technology.
- 2 air filters to a case.