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ProTech PD540042 Replacement for Trion Air Bear 266944-12121

266944-12121

$67.95
Retail: $95.99 /ea
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Buy 1 - 2 for $67.95 ea.
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$67.95
Retail: $95.99
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Frequently Bought With This Item

The ProTech PD540042 Replacement for Trion Air Bear 266944-12121 MERV 8 21x21x5 Media Filter includes deep pleats that securely trap contaminants. Designed with a MERV 8 rating, it captures large and small particles of dust, dirt, mold, pollen, dander and odor. Made from moisture-resistant materials, the filter will not allow bacteria, mildew or mold to grow. Sturdy support fingers give the filter rigidity. Replace the filter once every six months for healthy and clean indoor air.

Specifications:

  • Brand: ProTech
  • Part Number: PD540042
  • Replaces Part Number: 266944-12121
  • Pack Size: 1
  • Nominal Size: 21" x 21" x 5"
  • Actual Size: 20-3/4" x 20-3/4" x 4-3/8"
  • Rating: MERV 8
  • Rated Air Flow (CFM): 1,800
  • Exact fit replacement media for [-]XHF/[-]XGF series media air cleaners
  • Supersedes / Replaces: PD540012 , 540012S , 540012 , 1404399746448

Compatible Parts:

The ProTech PD540042 Replacement for Trion Air Bear 266944-12121 is the correct replacement for the following part numbers:

Part Number
DRUPD540042
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Customer Reviews:

Total Reviews: 4 Average Rating: 4.8 / 5.0

Filtersfast Reviews on Trust Pilot external site
customer2026-02-03

fits perfectly

Collected by Trustpilot.com
customer2025-08-12

it does really last a long time

Collected by Trustpilot.com
Kris Shadle2021-12-28

No issue with product. Arrived with one side crushed...

Collected by Trustpilot.com
Gary Margolis2021-05-27

Perfotms well. With 3 dogs that shed. We really need quality filtration.

Collected by Trustpilot.com

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