Filterbuy 13x21.5x0.75 MERV 11 Air Filter, 3-Pack
13x21.5x0.75 filter with MERV 11 media for improved air quality in HVAC systems. Customers note high quality, good fit, and effective dust control
Highlights
- MERV 11 synthetic media
- universal compatibility for HVAC
- made in USA
Pros
- high quality construction
- good fit for 13x21.5x1 replacement (actual 12.88 x 21.50 x 0.75)
- effective dust and allergen capture
- suitable for furnaces, air conditioners, or heat pumps
Cons
- some reports of actual size slightly smaller than expected
Best For
Features
- UNIVERSAL compatibility: 13x21.5x1 replacement air filters fit furnaces, air conditioners, or heat pumps (actual size 12.88 x 21.50 x 0.75)
- MERV 11 filtration: captures dust and allergens with synthetic media, comparable to MPR 1200 & FPR 7, while maintaining airflow
- ELECTROSTATIC pleats: 14 pleats per foot for extended filtration life and trapping microscopic particles; replace every 90 days
- ROBUST CONSTRUCTION: beverage board frame with dual wire backing for durability and temperature resistance
- MADE IN USA: manufactured from recyclable materials in the United States for dependable indoor air quality
