RedRock Starter Block PRO, 4" x 4" x 2.5" (Case of 216) spl_hgc Each cell reaches the bottom

Each cell reaches the bottom of our 1020 flat to minimize the use of water

Ventilator Fan: High-airflow ventilator fan designed for temperature and humidity control

Hose Specifications

Full flexibility is also available with options to switch to timer mode or manual control whenever you want

Propagation Heat Mat 48 x12 Daisy Chainable 60W

RedRock Starter Block PRO, 4" x 4" x 2.5" (Case of 216) spl_hgc Each cell reaches the bottomRedRock 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