4/5/6 inch Smoke Inline Extractor Fan Inline Duct Ventilation Fan for Grow Tent

(4" - 100mm Extractor Fan：. 5" - 125mm Extractor Fan：. 6" - 150mm Extractor Fan：. 4" 5" 6" 230V Quiet Inline Extractor Fan Bathroom & Hydroponics for Ventilation. 4)this Hon&Guan ventilation suits for HVAC, Bathroom, Greenhouse, Grow room and Tent and so on.

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