DELTA 6.5 BLOCK 4x4x2.5 HOLE 1EA=36PKS

Gro-Blocks are similar to 'plant container'. Need a 3" pot? Then choose a 3" Gro-Block. Small plants can be fully grown in larger Gro-Blocks. Holes are perfect size for any 1.5" starter plug. Come in packs labeled with instructions.