CultiBox’s D‑Series 240x120x200 cm tent is a large indoor enclosure with a fully lightproof exterior and a reflective inner lining to improve light use. The D‑Series features two zipped side openings that allow lateral access to plants for watering, training and maintenance. At the base it integrates mesh vents with Velcro closures to promote passive intake and reduce internal pressure when extraction is running. The 240 cm model provides two adjustable intake ports (600×250 mm), four 320 mm and two 280 mm exhaust ports, plus two 80 mm cable pass‑throughs. Its frame is built from easy‑assembly metal bars. Overall footprint is 240 × 120 cm with 200 cm height; model reference ARMD240.