Description
Designed for homeowners and facilities managers dealing with an unusual 38-3/8 x 36-1/8 x 1″ filter housing, this Exact Filters® filter is produced on-demand to fit your opening precisely.
Even a quarter-inch of gap around a filter can allow a significant percentage of return air to bypass the media entirely, which is why the exact fit matters as much as the filter’s efficiency rating.
At MERV 13, this filter removes a significantly larger share of fine particulate from your return air than standard mid-efficiency ratings — including smoke, bacteria-sized particles, and the fine dust that tends to resettle faster after cleaning. Because the media is denser, a properly sized HVAC system matters: check your blower’s static-pressure headroom before upgrading.
Specifications
- Nominal size: 38-3/8 x 36-1/8 x 1″
- Actual dimensions: 38-3/8 x 36-1/8 x 3/4″
- Efficiency rating: MERV 13
- Quantity: 12 filters per carton
The 38-3/8 x 36-1/8 x 1″ dimension is one of the many non-standard sizes we make on demand, serving both retrofit installations in older homes and light-commercial properties where the return housing dates to an older era of HVAC construction.
Features
- Made to your exact 38-3/8 x 36-1/8 x 1″ specification — no trimming or taping required at installation
- Replace approximately every 90 days in standard installations; shorter intervals in high-dust, smoky, or heavy-use environments
- Sold as a 12-pack so you have a full year of replacements on hand
- Orientation arrow printed on the frame to ensure correct airflow direction at install
Same 38-3/8 x 36-1/8 x 1″ size, different efficiency rating
| MERV 1-4Basic dust-stop | MERV 8Standard efficiency | MERV 11Enhanced efficiency |
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Need 38-3/8 x 36-1/8 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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