Description
Designed for homeowners and facilities managers dealing with an unusual 37-1/4 x 17-5/8 x 1″ filter housing, this Exact Filters® filter is produced on-demand to fit your opening precisely.
A custom-cut filter keeps every cubic foot of return air flowing through the media rather than around it, which is the foundation of any effective filtration setup.
MERV 13 targets the fine particulate fraction that lower MERV ratings allow through — including smoke, bacteria-carrying dust, and combustion byproducts. Airflow resistance is higher than MERV 8 or 11, so systems with borderline static pressure should be evaluated before switching up.
Specifications
- Nominal size: 37-1/4 x 17-5/8 x 1″
- Actual dimensions: 37-1/4 x 17-5/8 x 3/4″
- Efficiency rating: MERV 13
- Quantity: 12 filters per carton
Common applications for a 37-1/4 x 17-5/8 x 1″ custom filter include retrofit installations, legacy HVAC systems installed before standard sizes were codified, built-in return grilles that were framed to non-standard dimensions, and commercial unit housings that don’t match any current off-the-shelf size.
Features
- Suitable for forced-air furnaces, central AC, heat pumps, and packaged HVAC systems
- Made to your exact 37-1/4 x 17-5/8 x 1″ specification — no trimming or taping required at installation
- Sold as a 12-pack so you have a full year of replacements on hand
- Pleated construction (or fiberglass, depending on MERV tier) designed for balanced capture and airflow
Same 37-1/4 x 17-5/8 x 1″ size, different efficiency rating
| MERV 1-4Basic dust-stop | MERV 8Standard efficiency | MERV 11Enhanced efficiency |
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Need 37-1/4 x 17-5/8 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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