TopoGrow’s D-Door 48x48x80 is a square 4×4 ft indoor grow tent offering 80 in of height (approx. 122×122×203 cm). Retail listings for this model pair the TopoGrow brand with the 48×48×80 footprint. The tent line is described with 600D lightproof Oxford cloth and a 96% highly reflective diamond-pattern Mylar interior to improve light efficiency, plus heavy‑duty, double‑stitched zippers to limit light leaks. Frames in this series use 16 mm coated metal rods with sturdy plastic corners for stability, and are designed with round mesh vents and multiple duct ports for fan and filter placement. The “D‑Door” naming refers to the large D‑shaped access door layout common to this SKU.
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