Grower's Edge Block Covers 4 in (40/Pack)

SKU:
HGC714820
$12.99
(No reviews yet)
Width:
4.20 (in)
Height:
0.20 (in)
Depth:
5.20 (in)
Current Stock:
For blocks of rockwool and other grow media. Grower's Edge� Block Covers block light from media�which helps reduce algae. Use white side up to reflect light. Use toothpick to hold cover in place. Hole in center of cover measures 1/2 inch in diameter.