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Ships within 48 hours · Estimated delivery Sep 18 - Sep 23
Humidity control range: 30 - 90%
These are the lever handles that are located on the top knife blade crossbar next to the adjustment dials
10 x 20 prop flats
Prevents overwatering
and can be used in dilute or concentrated sprinkler or injector systems
Grodan Gro Block Improved GR10 Large 4" w/Hole 4" x 4" x 4" Strip, (case of 144 blocks) MH Humidity control range: 30 -Grodan Improved Gro Block Improved GR10 Large 4" w Hole 4" x 4" x 4" Strip 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
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