The DARK STREET v2.5 is specially lined with 95% reflective hammered effect mylar fabric (190D), to increase light intensity and improve light distribution. Light-proof, waterproof and pre-equipped for extraction and ventilation, the tents come with equipment bars to support lamps, and carbon filters. The new Dark Street 90 v2.5 measures 90cm x 90cm x 170cm and features: A strong, easy to use roof support system Highly reflective (95%) light-tight material Sealable and removable ventilation flaps on bottom of tent Cable access port at top 200mm top vent 200mm bottom vent 2 equipment straps 5 hooks 10 cable clips Secret Jardin DarkStreet Specifications Sheet PDF The DS90 v2.5 is a well-made, easy to use grow tent that is suitable for use with 150W, 250W, 400W and 600W HID lights as well as the larger T5 lights for propagation.