Grodan® Improved Gro-Block™ - 4in - Large - GR10 - 4in x 4in x 4in - Shrink-wrap/Strip with Hole

Grodan's Improved Gro-Blocks™ utilize improved hydrophilic technology and density for better water distribution and root development. Non-Shrink Wrapped. 6 4” x 4” x 4” blocks with hole