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Blackout greenhouse is composed by hot galvanized pipe with blackout for the covering material. The frame structure is simple, cheap cost and easy to install. According to the climatic condition, it usually equiped with sidewall manual roll up units to achieve good ventilation and cooling effective.

Blackout system

Shading rate 99.6%. This kind of blackout curtain is suitable for sensitive plants requiring photoperiod control, such as chrysanthemum; the special structure of its double layer material can achieve less than 0.4% of the light transmittance. The light is reflected by the aluminum foil on the surface of the shading curtain. During the light-dark period, unwanted light accumulation can be prevented. 
1pcs 0.55kw gearmotor with control box can open and close the net, including the timer.