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Filter King 11.5x21x0.75 in MERV 11 pleated air filters (6-pack)

Filter King ★ 3.4/5 · ItemOracle Score Mid-Range

$83 USD
Price subject to change
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Filter King 11.5x21x1 Air Filter | 6-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 21 x .75"

MERV 11 pleated air filters, 11.5 x 21 x 0.75 in actual size, sold as a 6-pack. Designed to capture more particles and support longer filter life. Customers note good fit and filter performance, with some variation in perceived build quality

Highlights

  • MERV 11 filtration
  • 6-pack convenience
  • USA-made

Pros

  • MERV 11 rated filtration
  • Includes 6-pack
  • Pleated design for higher particle capture
  • Made in USA
  • Actual size clearly specified

Cons

  • Mixed feedback on build quality
  • Some confusion around actual size
  • Actual size differs from nominal

Best For

  • home HVAC filtration
  • furnace and air conditioner maintenance
  • household air quality improvement
  • replacement filter for 30-90 day cycle
  • multi-room filtration efficiency
  • easy installation replacement

Features

  • MERV 11 rated pleated air filter for HVAC systems
  • Actual size 11.5 x 21 x .75 inches; 6-pack
  • Made in the United States from quality materials
  • Designed for up to 90 days of use before replacement
  • Advocates 30–90 day replacement intervals for 1-inch filters

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