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4" Block Covers (40 covers)
For blocks of Rock Wool & Other Grow Media.
Blocks light from media reducing algae & pest problems.
Use white side up to reflect light.
Use toothpick to hold cover in place.
Sold in packs of 40 covers.
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| Order Information |
Item Number
SSI714820
Price
$6.95
Quantity:
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All Prices in US Dollars
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