Grodan Gro Block Improved GR4 - 3' w/ hole (3x3x2.6) (Commercial case - no shrinkwrap) Grow Guide Each box contains 24 individually

Each box contains 24 individually overwrapped packs with a relative humidity of 55%

Electrical Shelving Voltage 120V Ships With 8 Slide-in Shelves Frequency 60Hz Shelf Dimensions (LxW) 11

1040 µmol Photon Output: Delivers 1000W-class spectral quality and PAR from a 600W platform with less heat and lower energy draw

640 thrust CFM through a three-blade stainless prop

Isobutane: <1500ppm

Grodan Gro Block Improved GR4 - 3' w/ hole (3x3x2.6) (Commercial case - no shrinkwrap) Grow Guide Each box contains 24 individuallyGrodan Gro Block Improved GR4 3' w hole (3x3x2. 6) (Commercial case no shrinkwrap) Introducing the newly improved Grodan Gro Block GR4 a revolutionary solution for modern growers. Our state of the art growing block is designed to deliver an unparalleled horticultural experience by focusing on the core factors that influence plant growth: water distribution and root development. New Density & Hydrophilic Technology: The Grodan Gro Block boasts a newly