| Country of Origin | United States |
|---|---|
| Brand | Return Air Filter Rack Plenum |
| Type | Cube & Box |
| Model | shop made |
Check the listing for details. Custom Fresh Air Intake Filter box for filter 20 x 20 x 4" with two collars 18". Condition: New, Made in United States. Listed at 359.10 USD. This is aFresh Air Intake Filter box for filter 20 x 20 x 4". There is a sliding door on the 20" side for filter access. The door can slide from ether side allowing for easy access. Standard air filter 20" x 20" x 4".
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