10'' Round Grow Lids (40-pack) Grow Lids are dual-sided, 5.5mil thick, and are available in both round and square variations. Grow Lids feature a white face to reflect light and a black face to block light and to help with algae, mildew, and pest control. Sold in packs of 40. $7.31 $14.63
8'' Square Grow Lids (40-pack) Grow Lids are dual-sided, 5.5mil thick, and are available in both round and square variations. Grow Lids feature a white face to reflect light and a black face to block light and to help with algae, mildew, and pest control. Sold in packs of 40. $7.31 $14.63
6'' Square Grow Lids (40-pack) Grow Lids are dual-sided, 5.5mil thick, and are available in both round and square variations. Grow Lids feature a white face to reflect light and a black face to block light and to help with algae, mildew, and pest control. Sold in packs of 40. $4.27 $8.53
4'' Square Grow Lids (40-pack) Grow Lids are dual-sided, 5.5mil thick, and are available in both round and square variations. Grow Lids feature a white face to reflect light and a black face to block light and to help with algae, mildew, and pest control. Sold in packs of 40. $2.56 $5.11
3'' Square Grow Lids (40-pack) Grow Lids are dual-sided, 5.5mil thick, and are available in both round and square variations. Grow Lids feature a white face to reflect light and a black face to block light and to help with algae, mildew, and pest control. Sold in packs of 40. $2.44 $4.87
