DF Mac Replacement filter 20x20x4.375 Merv 11 (for DF MAC-2020 & 2122)
Fits 20"x20", 21"x22" models.
Data Documents
Bacteriophage - Virus MS2 | ASHRAE | Test Data
Dust | Filter Efficiency Improvement| LMS Technologies | Test Data
Leakage | Sealed Door Test | LMS Technologies | Test Data
Promotional Literature
| Case Weight (lbs) : | 9.80 |
|---|---|
| Case Height (inch) : | 20.75 |
| Case Length (inch) : | 23.75 |
| Case Width (inch) : | 20.50 |
| Brand : | Dust Free |
| Recommended Use : | Residential and commercial |
| Application : | The MAC 11 is effective in reducing household dust, pollen, and other allergens more than traditional filter media. |
| Fin/Blade Spacing : | .000 |
| Fin Degree : | 0 |
| Screw Holes : | 0 |
Designed to meet the full spectrum of indoor air quality demands
Discover our Dust Free Indoor Air Quality (IAQ) products, designed for both residential and commercial use.Our advanced solutions promote cleaner air, ensuring comfort and well-being. Experience healthier living in any setting with our innovative technology.
healthier living
Dust Free products promote better indoor air quality, reducing the risk of respiratory issues and allergies.
cleaner environment
Dust Free products ensure cleaner air, fostering a healthier indoor environment for you and your loved ones to breathe easier.
enhanced comfort
Enjoy a fresher, more comfortable living or working environment without the irritation and discomfort caused by airborne dust particles.
Consistently
Recognized
for Innovation
Through robust product development and testing procedures RectorSeal ensures the delivery of top-tier product quality.
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The Industry's Best Product WarrantiesMinimum 3-year limited warranty on RectorSeal Products. No registration required. |
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Outstanding Technical Customer SupportProviding exceptional technical customer support for on-site job requirements and project specifications. |
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Product Availability and FulfillmentDelivering a seamless purchasing experience by offering a diverse selection of products, ensuring availability and quick fulfillment. |
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Complimentary eTraining CoursesOffering a variety of eTraining from self-directed courses via RectorSeal Academy, on-demand one-on-one training or live webinars. |
RECTORSEAL’S QUALITY POLICY:
“RectorSeal is commited to achieve Total Customer Satisfaction by exceeding customer’s expectations, requirements and needs”
We assure our quality policy commitment by:
