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870883008376

4" Rockwool Block Covers, 40 pack
by: gro pro


Item 714820
Our Price: $9.99
 

White on the front to reflect light and black on the back to prevent light passage, rockwool block covers prevent nutrient and oxygen competition from algae buildup on tops of 4" rockwool blocks. Comes in packs of 40.

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Length

Width

Weight 0.10 lb
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