Each Doran Light Tight Darkroom Louver is designed to supply just the right amount of air to a particular model exhaust fan.
Note: exhaust fans work best in a darkroom equipped with fresh air supply louvers or some other kind of air supply. If there is no air supply to the darkroom the fan will be working against a vacuum and can do nothing.
| Dimensions | 12" x 24" |
| Construction | Plastic-metal. |
| Area | 288 square inches. |
| Packaging Info |
| Package Weight | 6.8 lb |
| Box Dimensions (LxWxH) | 26.0 x 15.4 x 5.5" |
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