4" Block, 12 strips of 6

Cultilene is one of the world's leading substrate producers. They havea great reputation in the industry as a company that puts the growerfirst.
All products feature:
- An effective air-to-water ratio
- Reliable homogeneity
- Great strength and dimensional stability
- Excellent controllability
- They are inert and pathogen-free
- Sleeving polythene and seams that
are high-quality
- Ability to make plant holes in it