Rockwool Block Cover 4" (40 Pk)

4" Square Grow Lids Dual Sided Black / White Grodan Rockwool Block Covers, 40 Pack Dual-sided 5.5mil grow lids have a white face to reflect light back to the plants and a black side to block light Helps with algae, mildew and pest control...Read more

$13.93
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Description

4" Square Grow Lids Dual Sided Black / White Grodan Rockwool Block Covers, 40 Pack
Dual-sided 5.5mil grow lids have a white face to reflect light back to the plants and a black side to block light
Helps with algae, mildew and pest control

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Rockwool Block Cover 4" (40 Pk)

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