4 inch Backdraft Damper PLANT CARE which suits longer holds and

which suits longer holds and denser material

This compact tester features a large easy-to-read LCD and a simple to perform 2-point calibration

including a 2-stage 20” filter unit

Internal minimum speed adjustment with the possibility to work continuously at minimum speed

We also offer specific products for fantastic color balancing and more enjoyable and efficient work in HPS

4 inch Backdraft Damper PLANT CARE which suits longer holds andAtmosphere'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.