Built to order in the precise 38-5/8 x 26-3/8 x 1 dimension you need, this Exact Filters air filter solves a problem standard catalogs can’t a true custom fit for systems that don’t accept common filter sizes.
Filter bypass air slipping past a loose frame instead of through the pleats is one of the most common reasons a filter underperforms its MERV rating in the real world. A precise fit closes that gap.
This MERV 13 pleated filter is the highest-efficiency option we produce in the Exact Filters custom-size line. It’s commonly chosen by allergy-sensitive households, buildings in wildfire-smoke regions, healthcare and education facilities, and anyone wanting the deepest particulate capture we offer.
Specifications
- Nominal size: 38-5/8 x 26-3/8 x 1
- Actual dimensions: 38-5/8 x 26-3/8 x 3/4
- Efficiency rating: MERV 13
- Quantity: 12 filters per carton
Customers typically order a 38-5/8 x 26-3/8 x 1 custom filter because their system is older, was built by a regional manufacturer, was retrofitted, or was framed on-site by an installer who didn’t conform to a standard filter dimension. If that describes your situation, you’re in the right place.
Features
- Orientation arrow printed on the frame to ensure correct airflow direction at install
- Replace approximately every 90 days in standard installations; shorter intervals in high-dust, smoky, or heavy-use environments
- Cardboard frame with reinforced media for structural stability during handling and installation
- Pleated construction (or fiberglass, depending on MERV tier) designed for balanced capture and airflow
Same 38-5/8 x 26-3/8 x 1 size, different efficiency rating
| MERV 1-4Basic dust-stop | MERV 8Standard efficiency | MERV 11Enhanced efficiency |
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Need 38-5/8 x 26-3/8 x 2 or another depth? This size is available in other depths we don’t stock online reach out and our team will quote it for you, typically same business day.
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