Rockwool Block Covers, 4″, Pack of 40

$11.95

Works great with GRODAN blocks

SKU: HGCOV4 Category:
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
Weight0.16 lbs
Dimensions5.5 × 4.5 × 0.3 in

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