Cube insert K4 (suitable M4 soil blocker)
Cube Inserts, when fitted into the M4, are used to make a square indentation to accommodate seedlings started in the M20 Blocker. Creating the ideal potting on system, eliminating root shock and the need for pricking out.
Also can be used separately without first step with M20 on its own for seeding larger seeds with M4 soil blocker. Seeding depth 1.7cm.
Important!
Price is indicated for one insert. Please, mind soil blocker, that you are ordering, and order number of pins accordingly.