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Glasfloss ZL 20x25x4 MERV 10 Pleated Furnace Filters (4)

Glasfloss ★ 3.9/5 · ItemOracle Score Mid-Range

$63 USD
Price subject to change
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Glasfloss ZL 20x25x4 MERV 10 Pleated 4" Inch AC Furnace Air Filters. Box of 4. Actual Size: 19-1/2 x 24-1/2 x 3-3/4

Glasfloss ZL pleated furnace air filters, MERV 10 rating, 20x25x4 nominal size with actual 19-1/2 x 24-1/2 x 3-3/4. Made in the USA for residential and commercial use. One customer notes easy fit in a 20x25x4 space

Highlights

  • MERV 10 performance
  • usa-made
  • fits 20x25x4 nominal slots

Pros

  • MERV 10 filtration
  • Made in the USA
  • Suitable for residential and commercial use
  • Easy to install
  • Includes box of 4

Cons

  • Actual size may differ from nominal size
  • Depth not compatible with 4-3/8 inch filters
  • Customer size perception varies

Best For

  • residential hvac filtration
  • commercial duct systems
  • air quality improvement
  • replacement for 20x25x4 filter slots
  • easy to install in standard filter housings
  • maintenance every few months

Features

  • Actual size 19-1/2 x 24-1/2 x 3-3/4 inches
  • Nominal size 20x25x4; MERV 10 rating (equivalent to MPR 600-800, FPR 5-6)
  • Manufactured in the USA for residential and commercial use
  • Recommend replacement every 3 months; compatible with 4-inch depth housings
  • Box contains four filters; does not fit 5-inch or 4-3/8-inch depths

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