4" Rockwool Block Cover, pack of 40

Hydrofarm

Availability:: Available Today for In-Store Pickup or Shipping
SKU:: HGCOV4
Width:: 4.50 (in)
Height:: 0.30 (in)
Depth:: 5.50 (in)

PLASTIC BLOCK COVERS

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

4" Rockwool Block Cover, pack of 40

Hydrofarm

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4" Rockwool Block Cover, pack of 40

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