You’d probably agree that materials such as wood, steel, and concrete make up a significant portion of its composition. Of these materials, which do you think has the least impact on the environment?

These bricks of wood particles, also called supplemented sawdust blocks, contain organic materials that give a nutrient boost to your crop. They don't take up much space, and when used for indoor ...

ideal for indoor or outdoor HVAC and RV use. Please verify with a magnet that your vents are steel and not aluminum, wood or plastic. WHAT U GET: This is a set of 8 air vent covers for ceiling ...