8x8 Rockwool Covers – Light-Blocking, Reusable

8 by 8 inch reusable cover made from slightly flexible PLA plastic. Designed to fit standard Rockwool cubes with a centered hole to support top-feeding watering components. Helps block light from the root zone and reduce algae growth in hydroponic or indoor grow setups.It is slightly flexible Specifications:Dimensions: 8 x 8 inchesMaterial: PLA Center hole: Fits standard top-feed irrigation componentsCompatibility: Standard 8 x 8 Rockwool cubesUse: Light-blocking cover for hydroponic and indoor growingFunction: Supports irrigation and protects root zone