12 inch Backdraft Damper Leaches up to 90% RH —
Description
up to 90% RH — covers a normal indoor grow envelope
and many times being pried on and off
Unique formulation reduces excess perspiration
When combined with potassium hydroxide
dry cycle timer
12 inch Backdraft Damper Leaches up to 90% RH —Atmosphere's all new galvanized steel back draft dampers fit directly into the duct simplifying installation. They feature a shaft for each of the 2 flaps so to prevent jamming. Also, the flaps close onto a perimeter gasket ensuring the best air seal and quiet operation.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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