Outdoor Polycarbonate Greenhouse 6 x 4 Ft This polycarbonate greenhouse features a durable aluminum alloy frame and impact-resistant PC panels, with 89% light transmittance for UV resistance. The large opening doors and three-stage adjustable roof windows ensure effective ventilation. It can function as a sunroom and garden room. Our PC panels maintain excellent performance within the temperature range of -40°C to 125°C. Plus, it also have extremely strong impact resistance for plants protection. Whether facing rainy, snowy, or sunny weather, the PC panels can prevent external environments from harming plants. The PC panels of the polycarbonate greenhouse is equipped with an efficient anti-ultraviolet coating to protect your plants from ultraviolet radiation. The coating keeps beneficial visible light for plants and prevents excessive UV light to ensure a healthy and safe growing environment for plants. The scientific ventilation system in the greenhouse ensures smooth air circulation through large sliding doors and 3-stage adjustable roof ventilation openings. This helps avoid high temperatures or excessive humidity that can cause plant rot. Our polycarbonate greenhouse is not just a space for plant growth. It can also be used as a sunroom, garden room, or outdoor leisure area. The spacious interior is suitable for placing various planting equipment, and can also provide you with an outdoor area for relaxation and enjoyment of nature.