Filterbuy 17.5x21x5 MERV 11 Air Filter (4-Pack) 17.13x20.63x4.38
Pleated HVAC air filter with MERV 11 performance for allergen and dust capture. Fits furnaces, air conditioners, and heat pumps. Customers cite good value, quality, and easy installation, with some size and fragility concerns
Highlights
- MERV 11 allergen defense
- 4-pack replacement filters
- Actual size closely specified
Pros
- MERV 11 filtration for allergens
- Comes in a 4-pack
- Pleated synthetic media with good airflow
- Good value and easy to install
Cons
- Mixed feedback on actual size fit
- Fragile construction can be damaged during installation
- Some customers report filters are too wide
Best For
Features
- Actual size 17.13 x 20.63 x 4.38 inches for full built-in fit
- MERV 11 synthetic media captures dust and allergens with high efficiency
- Electrostatically charged, 8 pleats per foot for extended life (about 3x fiberglass)
- Durable beverage board frame with dual wire backing for temperature resistance
- Compatible with Rheem and Ruud models PD540010 and PD540016
