Grodan Improved GR40 Uniblock, 8" x 8" x 4", case of 36 ac-/-dehumidification-/-humidification flat surface making them perfect

flat surface making them perfect for writing on

• Compact plugin size—low energy consumption

3 LPH Fuel Consumption

Sold in packs of 132

Electrode replacement with the stainless steel round connector means there are no pins to bend or break during replacement

Grodan Improved GR40 Uniblock, 8" x 8" x 4", case of 36 ac-/-dehumidification-/-humidification flat surface making them perfectGrodan Improved Uniblock GR40, 8" x 8" x 4" Grodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops. The result of months of scientific research and trials is Grodan Gro Blocks Improved with Grodans Advanced Wetting Agent. These leading edge blocks have the optimal fiber structure and