Grodan MacroPlug Round w/ Slit (50/Bag) (35 Bags/Cs)

MacroPlugsƒ?› are 1.5 in round with a slit that allows easy insertion of a cutting. These loose round plugs fit perfectly into the Gro-Blockƒ?› hole. For best results, always insert MacroPlugsƒ?› in a tray with individual cells. The individual cell will make sure the plug stays closed around the stem of your cutting.