VIVOSUN’s Grow Tent Pro 3x3 (P336) is a 36 x 36 x 72 in indoor enclosure built with 2000D Oxford canvas and a 100% reflective Mylar interior to reduce light leaks and improve efficiency. The Pro frame uses 1-inch (22 mm) steel poles and includes a high CFM support kit and extra hanging bars; the P336 model is rated to hold up to 220 lb of equipment. A large front viewing window (about 37.8 x 15.5 in) and an SBS-zippered removable door simplify monitoring and access. Ports support 4, 6, and 8 in ducting, with cable slots for controllers and tools. VIVOSUN recommends pairing the tent with a 4 in inline fan and around a 320 W LED grow light. Suitable for 2–4 plants.
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