Description
When your HVAC system calls for a 39-3/8 x 34-1/8 x 1″ filter and the standard aisle doesn’t carry it, this Exact Filters® unit is cut to your exact 39-3/8 x 34-1/8 x 1″ spec — no shims, no gaps, no bypass air.
A properly fitting filter seals against the housing, so all return air is forced through the media instead of leaking around the frame.
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: 39-3/8 x 34-1/8 x 1″
- Actual dimensions: 39-3/8 x 34-1/8 x 3/4″
- Efficiency rating: MERV 13
- Quantity: 12 filters per carton
The 39-3/8 x 34-1/8 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 39-3/8 x 34-1/8 x 1″ specification — no trimming or taping required at installation
- Cardboard frame with reinforced media for structural stability during handling and installation
- Suitable for forced-air furnaces, central AC, heat pumps, and packaged HVAC systems
- Pleated construction (or fiberglass, depending on MERV tier) designed for balanced capture and airflow
Same 39-3/8 x 34-1/8 x 1″ size, different efficiency rating
| MERV 1-4Basic dust-stop | MERV 8Standard efficiency | MERV 11Enhanced efficiency |
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Need 39-3/8 x 34-1/8 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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