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About Air Filter Efficiency Ratings
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Compare MERV rating, efficiency, and particle size to find the right filter for your location—from warehouses and offices to hospitals and labs.
Heavy Duty Reusable Metal Panel Filters
With a frame made of a thick gauge metal, these filters are durable. They can be washed and reused. Also known as metal mesh filters.
All meet UL 900 flame retardance requirements.
Don’t see the size you need? Additional sizes are available.
| HVAC Filter Trade Size | MERV Filter Rating  | Removes Particle Size Down To, microns | Material | Frame Gauge | Max. Temperature, °F | Each | |
1" Thick | |||||||
|---|---|---|---|---|---|---|---|
| 18 × 40 | 4 | 10 | Aluminum | 18 | 240° | 0000000 | 0000000 |