Filterbuy 17x21x1 Air Filter (12-Pack) MERV 8, 16.50x20.50x0.75
Universal 17x21x1 air filters with MERV 8 for furnace, AC, or heat pump. Improves HVAC efficiency and traps pollen, lint, and mold. Customers note good build quality and easy installation
Highlights
- MERV 8 filtration
- actual size close to 16.50 x 20.50 x 0.75
- built for easy installation
Pros
- universal compatibility
- electrostatic pleated design
- effective pollen and dust filtration
- easy to install and maintain
- bulk 12-pack value
Cons
- size perception varies among customers
Best For
Features
- Universal 17x21x1 replacement for furnaces, air conditioners, or heat pumps
- MERV 8 performance with electrostatically charged synthetic media for 90% plus dust capture
- 14 pleats per foot for extended filtration life and 3x longer than fiberglass models
- Durable beverage board frame with dual wire backing for improved temperature resistance
- Made in the USA with industrial-grade construction using actual size 16.50 x 20.50 x 0.75 inches