
BLACK FRIDAY is here! Check our special offer!
Agra-Woll Speedgrow are natural products made from basalt volcanic rock (lava solidification). The fibers are created by heating this rock; it is a specialty of the manufacturer! With the so-called Ecose technology, a binder is used that does not contain formaldehyde. This sustainable technique is especially environmentally friendly.
Hole size: 38x35mm.