1. The surface of the door and window should be smooth and flat, without breaking and breaking. The sealing strip is flat without curling, no grooving, and the strip is odorless. 2. When the door and window are closed, there is no gap between the fan and the frame. The four doors and windows are connected as one body without screw connection. The sliding door and window should be free to slide, the sound is soft, and no dust falls off. 3, the door and window frame and the fan have steel lining, the glass is installed flat and firm and does not directly contact the profile. If it is double-layer glass, there should be no dust and water vapor in the interlayer, and the switch components are tight and flexible.
Grow light cob include 50w-1000w real power cob grow light, use Epistar high power chip, have pink lighting and 3500k white lighting to choose.
Grow Light Bulbs,Grow Light Stand,Cob Grow Lights,Cob Grow Light Shenzhen Wenyi Lighting Technology Co., Ltd , https://www.szwygrow.com
COB LED Grow Light Benefits:
More efficient: 100% of the power input for our LED grow lights is used for your plant chlorophyll production.
Better for environment: It saves 50% to 90% in energy consumption compared to incandescent bulbs or fluorescent tubes.
Less Heat: Low heated LED bulbs will protect your plants well.
Less trouble: No ballast to burn out likes other plant lights
