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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
The 90-T40F3 features color-coded primary leads for efficient field wiring and an open construction design that promotes thermal dissipation
By ensuring a precise fit and creating a secure seal
ensuring the stem interface matches factory tolerances
Code Compliance: Meets IRC requirements for supplemental combustion and makeup air in homes with high-CFM range hoods
Achieves NEMA 4X environmental protection when installed with the high-grade nitrile rubber gasket
Aprilaire 1413 Upgrade Kit 321894-709 The 90-T40F3 features color-coded primaryThe Aprilaire 1413 Upgrade Kit is the professional grade solution for homeowners looking to modernize their air filtration systems. Designed specifically as a Space Gard 2400 upgrade, this kit allows you to transition from the outdated 401 filter to the high efficiency Aprilaire 413 filter. By utilizing a 16x25x4 MERV 13 filter, the system removes up to 75% more virus size particles and 40% more dust size particles compared to previous models. This
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