C.A.P. 2 Faced 6 1/2" Rockwool Block Covers, 40 pk
PLASTIC BLOCK COVERSReflect 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