Block Covers 4 inch

  • Model: 714820
  • Shipping Weight: 0.01lbs
  • Manufactured by: Sunlight Supply


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4" Block Covers

  • For blocks of rock wool and other grow media.
  • Blocks light from media -- reducing algae and pest problems
  • Use white side up to reflect light
  • Use toothpick to hold covers in place

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