4 inch Rockwool Block Covers, pack of 40

$7.93
Frequently bought together

Additional Information

Name 4 inch Rockwool Block Covers, pack of 40
Brand Hydrofarm
SKU HGCOV4
UPC 638104945783
Dimensions 4" x 4"
MSRP $9.95
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Details
  • 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