RedRock Starter Block PRO, 4" x 4" x 2.5" (Case of 216) Air Filter Providing first-class humidity control

Providing first-class humidity control

and growth plans to help growers improve cultivation productivity and harvest with superior crop quality

The trim tray is made with quality materials and ingenuity

and hose clamps

RedRock Starter Block PRO, 4" x 4" x 2.5" (Case of 216) Air Filter Providing first-class humidity controlRedRock Starter Block PRO, 4" x 4" x 2. 5" (Case of 216) 42 40 Hole 10x10x6. 5cm 4 Inch x 4 Inch x 2. 5 Inch Commercial grade stone wool pro starter blocks sourced and manufactured in North America. Our Stone wool starter blocks are made in the USA and processed in Canada Wetting agent ensures nutrients are immediately plant available The high fiber density of the stone wool starter blocks makes better use of water and fertilizers while allowing dry