We present Dark Street 90 rev.4 - an elite GrowBox that combines top-quality materials and advanced technology. This well-thought-out cultivation construction, equipped with a lightweight but durable steel frame, is completely light-resistant, providing optimal conditions for plant growth.Its spacious dimensions, 90cm wide, 90cm deep, and 178cm high, allow for free development of crops. Made of strong 210D material that can be washed, our GrowBox has reinforced corners and solid zippers, guaranteeing its durability.The interior of the box is characterized by 95% illumination, which promotes photosynthesis. Additionally, the GrowBox has strips to secure the filter and waterproof material that protects the bottom of the structure from moisture and dirt. To ensure effective ventilation, the box has a ventilation hole at the bottom, top and for cabling, as well as vents on the side walls, covered with a net.We recommend using HPS lamps - 1 x 400W + reflector and a 165 m3/h extractor fan. An alternative could be LED lamps - 1 x 240W SpectroLight Blast with an 85 m3/h extractor fan.Our GrowBox has also been equipped with accessories such as: duct collars for ventilation installation, a duct collar cap, a ventilation collar connector, a cable sleeve, a set of suspending straps, hooks, a pocket for boxes, cable clips, a reinforcing frame, and a WebIT90 elastic net for plant training.Dark Street 90 rev.4 is a choice for those who value reliability and comfort of cultivation. Thanks to a 24-month warranty, you can be sure that this GrowBox will meet your expectations.