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and a locking feature

Water Pressure Rating: Offers a versatile pressure range

Airflow capacity up to 411 CFM

they can only be shipped on pallets

Cultilene Rockwool Blocks fans-ventilation-ducting tab-button')Cultilene Rockwool Blocks Cultiwool, formally known as Cultilene, has many years of experience developing Rockwool products in the Netherlands and is preferred by some of the largest industrial propagators in the world. The quality of their newest Rockwool cubes, plugs, and starter sheets allows superb air to water ratio and features a fibre structure that holds water longer and has less resistance for the roots to grow in, resulting in stronger