ItemOracle

Filtrete 21x21x1 MERV 11 AC Furnace Filter (6 pack) 3-month pleated

Filtrete ★ 4.0/5 · ItemOracle Score Mid-Range

$80 USD
Price subject to change
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Filtrete 21x21x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6 Pack (Actual Size 20.81x20.81x0.81 in)

Pleated filtration for home air with 3-in-1 tech to trap particles and improve air quality. One customer note highlights good quality and value for money, with mixed fit reports

Highlights

  • MERV 11 filtration
  • MPR 1000 performance
  • exclusive 3-in-1 filtration technology

Pros

  • 3-in-1 filtration technology
  • Pleated for better particle capture
  • Offers value with multi-pack option

Cons

  • Mixed feedback on fit
  • Durability varies by user
  • Slight deviation from nominal size

Best For

  • furnace air filtration
  • reducing household allergens
  • improving indoor air quality
  • monthly filter replacement routine
  • merv 11 performance in central heating
  • multi-pack for household multiple furnaces

Features

  • Includes a six-pack of 20.81x20.81x0.81 in filters delivering 3-month pleated filtration
  • MPR 1000 and MERV 11 rating for capturing microparticles from indoor air
  • Exclusive 3-in-1 filtration technology designed to pull in and trap particles while allowing airflow
  • Certified asthma and allergy-friendly filtration that helps capture dust, lint, and allergens
  • Slightly different from nominal size; actual dimensions are 20.81 x 20.81 x 0.81 in

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