20pcs 22mm Black Rod Clip Plant Greenhouse Hoops Plastic Film Garden Support Frame Grow Row Plant Cover Netting Tunnel…

【DOUBLE SAVE ALL LIGHT】:The GA grow tent uses high density 600D Oxford cloth,and it is lined with 98%-reflective silver colored PET mylar.It is great to save all light into the tent.Heavy duty explosion-proof zipper and double stitching protect the tent from light leaking simultaneously.
【UPGRADED TENT ACCESSORIES】: Clear visible window make it easy to observe the plant growing no need to open the door frequently. GA grow tent’s double layer ventilation slots avoid light leak; the slots are adjustable with the tighten strings. GA grow tent’s screen window can improve grow tent’s aeration, prevent insects from entering.
【HIGH-QUALITY MATERIAL】：The top-quality 600D canvas is tear proof and double stitched for perfect light blocking;Thick tent material reinforced by the metal poles ensures security and stability.

The window opener is made of high materials. It is very durable safe and easy to install.
As the temperature changes automatically. The window opener maintains the best growing temperature and prevents your greenhouse from overheating.
The window opener is non electric, it uses solar energy to open or close the greenhouse vents as temperature rises or drops.