Grodan Uni-Slab, 9.5" x 8" x 4" (Case of 16) co2 and it is available with

and it is available with six different spectral compositions for full-cycle growth and supplemental photomorphogenic response

each containing approximately 16

Robust and Humidity-Resistant: Crafted with a blend of steel and aluminum

Precise Speed Controller: The speed controller allows you to set the duct fan's speed between ten speed levels optimal for noise and airflow levels in various environments

steel shutters

Grodan Uni-Slab, 9.5" x 8" x 4" (Case of 16) co2 and it is available withGrodan Uni Slab, 9. 5" x 8" x 4" (Case of 16) The Grodan Uni Slab combines all the benefits of our traditional slabs with the versatility of a block. Great stability for any size plant. The UNI SLAB is completely wrapped thus keeping all the roots of your plant safely contained within the slab, protected from light and outside contaminants. Yet it's small enough to be maneuverable, allowing your plants to be spaced as the plant canopy requires. The