Cultiwool 8'' Wide Slab Cultiwools’ stone wool growing slabs provide the final stage for growing crops. With the different dimensions and the possibilities of different plant holes pre-cut in the slabs, we have a solution for almost every growing system and required substrate volume per crop. Our Cultiwool slabs come standard with a vertical fibre orientation but on request we can also deliver a horizontal fibre in our stone wool slabs. Cultiwool stone wool is used worldwide by professional cultivators. It allows them to grow top quality produce with fewer inputs. The basis of a successful crop for a longer period is a substrate with a superb and consistent homogeneity. Cultiwool 8'' Wide Slabs are sold by the case. Specifications Stonewool Slab Fully Sealed Slabs 40" x 8" x 3" (1000mm x 200mm x 75mm) 12 Slabs/Case