6" Block Cover, pack of 40
6" Block Cover, pack of 40 at HorticultureSource.com -
Hydrofarm 6" Block Cover (HGCOV6) 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 Manufacturer's Product Information MSRP each $ 18.95 UPC 638104005883 Dimensions 8.5 x 0.3 x 8.5 Case Weight 10 Case Quantity 30