Newly marketed Gain height windproofaluminum greenhouse 6x6 FT Polycarbonate Greenhouse Raised Base 99440443[Heavy duty & Durable Frame] The 4mm thick polycarbonate board can withstand outdoor temperature from 20 to 70 , allowing enough sunlight to pass through and isolating most UV rays. The aluminum alloy frame with powder coating is more durable, won't get rust. The panels allow up to 70% light transmission for optimal plant growth while blocking out over 99. 9% of harmful UV rays. [Walk in Spacious Greenhouse] High headroom allows large volume for easy