Cultiwool 3" x 3" x 3" Blocks of Cultilene Rockwool - Case of 400 trays Nordic Pure 16x20x4 Plus Carbon

Nordic Pure 16x20x4 Plus Carbon Air Filters MERV 10 are made of a dual material where the MERV rated material has been fused together with a carbon layer

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Includes a case

this blend promotes a stronger root system

Cultiwool 3" x 3" x 3" Blocks of Cultilene Rockwool - Case of 400 trays Nordic Pure 16x20x4 Plus CarbonDescription Cultiwool 3" x 3" x 3" Block (400 Blocks Case) Cultilene: Cultilene's growing blocks are uniquely efficient. This efficiency is attributed to the consistency of our products. Quick and easy absorption of water and the equal distribution of water throughout the substrate is a vital feature of a growing medium. High Quality Stone Wool: Not only can users expect top quality stone wool in the market, but Cultiwool is also proud to introduce