Filterbuy 20x21.5x0.75 MERV 13 Air Filter (6-Pack) - Made in USA

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$113 USD
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Filterbuy 20x21.5x1 Air Filter MERV 13 Optimal Smoke & Allergy Defense (6-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 19.88 x 21.50 x 0.75)

MERV 13 pleated air filters for furnaces, AC, or heat pumps. Improves efficiency and air quality with 98% dust capture. Customer note: sturdy, effective in dust collection, mixed size fit reports

Highlights

  • MERV 13 performance
  • Electrostatic pleated media
  • USA-made and durable

Pros

  • MERV 13 filtration
  • Electrostatic pleated design
  • Universal compatibility (20x21.5x1 actual 19.88 x 21.50 x 0.75)
  • Sturdy construction
  • Made in USA

Cons

  • Mixed feedback on fit size
  • Some report incomplete air filtration
  • Actual size slightly differs from nominal

Best For

  • furnace air filtration
  • air conditioner filtration
  • heat pump filtration
  • dust and pollen reduction
  • household allergy defense
  • commercial small-space filtration

Features

  • Universal 20x21.5x1 (actual 19.88x21.50x0.75) replacement air filter for furnaces, air conditioners, and heat pumps
  • MERV 13 synthetic media traps dust and germs without restricting airflow; comparable to MPR 1900 & FPR 10
  • Electrostatically charged media with 16 pleats per foot for longer filtration and 3x durability vs fiberglass
  • Easy installation with beverage board frames and dual wire backing for improved rigidity in extreme temperatures
  • Made in the USA using industrial-grade, recyclable materials for dependable indoor air quality

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