Dual-sided 5.5mil grow lids have a white face to reflect light back to the plants and a black side to block light and help with algae, mildew and pest control. Available in round and square styles. Sold in packs of 40.
Dual-sided 5.5mil grow lids have a white face to reflect light back to the plants and a black side to block light and help with algae, mildew and pest control. Available in round and square styles. Sold in packs of 40.