Cultiwool 6" x 6" x 6" Blocks of Cultilene Rockwool with Optidrain and Donut Rings - Case of 48 lamps To avoid this

To avoid this

Single Outlet

You can also cut to fit any other smaller square or round fan

Optimizes germination rate

ecology testing

Cultiwool 6" x 6" x 6" Blocks of Cultilene Rockwool with Optidrain and Donut Rings - Case of 48 lamps To avoid thisDescription Cultiwool 6" x 6" x 6" Block w Optidrain & Donut Ring (48 Blocks Case) by Cultilene: Cultiwool's growing blocks offer unique efficiency tied to product consistency. Key features include quick and easy uptake of water and the even distribution of water throughout the substrate, which make this growing medium outstanding. Superior Stone Wool Quality: Not only can consumers expect the top quality stone wool on the market, but Cultiwool also