Cultiwool 4" x 4" x 2.5" Blocks of Cultilene Rockwool - Case of 216 ventilation Optional 1:1 ratio flow restrictor

Optional 1:1 ratio flow restrictor saves 50% more waste water

It has a connection at each end of the lamp

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Cultiwool 4" x 4" x 2.5" Blocks of Cultilene Rockwool - Case of 216 ventilation Optional 1:1 ratio flow restrictorDescription Cultiwool 4" x 4" x 2. 5" Block (216 Blocks Case) Cultilene: Cultiwool's growing blocks are known for their remarkable efficiency. Their superiority is linked to the consistent nature of our products. The swift and uncomplicated absorption of water and the even distribution of water throughout the substrate are prominent features of a competent growing medium. High Quality Stone Wool: Alongside offering the finest quality stone wool