Block Covers 4 inch - Pack of 40

$9.19

Additional Information

Name Block Covers 4 inch - Pack of 40
Brand Grodan
SKU 714820
UPC 870883008376
MSRP $9.49
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Details
  • For blocks of rockwool and other grow media.
  • Blocks light from media— reducing algae and pest problems.
  • Use white side up to reflect light.