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Rockwool Block Covers, 4", Pack of 40 - Monticello Farms Company

Rockwool Block Covers, 4", Pack of 40

  • Save $2.85
PLASTIC BLOCK COVERS
Reflect light to plant leaves, where it™s needed most. Block light from media. Eliminate algae and mildew growth. 40 dual sided block covers per pack. Works great with GRODAN Blocks.
  • Block light from media
  • Reflect light to plant leaves where it's needed most
  • Eliminate algae and mildew growth
  • 40 dual-sided block covers per pack