Block Covers 40/pk (4")

Dual-purpose Sunleaves Block Covers reflect light back towards your plants in addition to protecting them from algae growth by preventing light from reaching the growing media. Black on one side, white on the other, these block covers will work with any media, although they are designed for four-inch stonewool cubes. There are 40 - 4½" covers in each pack.

Details

SKU 0681