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HN-HDR538 Hydrofarm

Block Covers - Pack of 40

Item # HN-HDR538
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  • Block Covers - Pack of 40
Block Covers - Pack of 40

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Brand
Hydrofarm
International Shipping
Canada

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  • Block light from media and reflects to plant leaves
  • Eliminate algae and mildew growth
  • Black on one side, white on the other
  • 40 dual-sided 4 in. block covers per pack
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