4″ Rockwool Block Cover, pack of 40


SKU: HGCOV4 Categories: ,
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

Additional information

Weight 0.16 lbs
Dimensions 5.5 × 4.5 × 0.3 in


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