The unit can be used as a propagation tent or turned upright to be used as a small grow tent in it's own right. It has extraction via two 100mm (4") socks and a passive air vent fitted with fine (anti-mite) mesh. It comes with an integral waterproof tray. This tent is made from Tri Layer 210 Denier material with special LightHouse UltraLux reflective liner and quality Tivax double lined zips that are easy to use and offer good light proofing with no snagging. The main fram is made from 16mm steel poles with nylon corners.