Plastic Duct Grille 4 - White, Wall-Mount Grille for 4" Duct Fan bloom nutrients The 6400K spectrum of these

The 6400K spectrum of these lamps is ideal for propagation and continued growth of most indoor plants

The effect of Bio·Heaven™

Produces up to 1

stimulate the production of microorganisms

The program can also set the fans to run continuously or on a timer at custom speeds

Plastic Duct Grille 4 - White, Wall-Mount Grille for 4" Duct Fan bloom nutrients The 6400K spectrum of theseDesigned to be wall mounted and connected to ducting to supply exhaust air. Durable flame retardant polypropylene construction that can be painted. Features an internal manual damper which can be adjusted to open or close. Includes all screws and hardware to easily mount to a cabinet or wall. Ducting Size: 4 Dimensions: 7. 25 x 7. 25 x 2. 5 Material: PVC thermoplastic PRODUCT DESCRIPTION This duct grille was designed to be wall mounted and connected