Description
Exact Filters® produces this 30-1/2 x 37 x 1″ filter to your measurements, so instead of trimming, taping, or forcing a “close enough” size into place, you drop in a filter that fits your 30-1/2 x 37 x 1″ slot the first time.
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: 30-1/2 x 37 x 1″
- Actual dimensions: 30-1/2 x 37 x 3/4″
- Efficiency rating: MERV 13
- Quantity: 12 filters per carton
This 30-1/2 x 37 x 1″ filter size is frequently ordered by homeowners with older systems, property managers handling mixed-vintage HVAC equipment, and facilities maintenance teams servicing buildings where no two return grilles seem to measure the same.
Features
- Orientation arrow printed on the frame to ensure correct airflow direction at install
- Suitable for forced-air furnaces, central AC, heat pumps, and packaged HVAC systems
- Made to your exact 30-1/2 x 37 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
Same 30-1/2 x 37 x 1″ size, different efficiency rating
| MERV 1-4Basic dust-stop | MERV 8Standard efficiency | MERV 11Enhanced efficiency |
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Need 30-1/2 x 37 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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