160mm Roof Vent Attic Fan Thickened Quiet Powerful Airflow Stainless Steel Turbines Roof Ventilator for Factory Farm

Easy Installation: This stainless steel roof ventilator is pre assembled before delivery, so no extra assembly work is needed, greatly simplifying the whole installation process for quick setup. Natural Ventilation: Stainless steel chimney cowl runs on natural wind power without any electricity supply, delivering exhaust ventilation with energy consumption. Thickened 304 Stainless Steel Build: Constructed from one piece thickened 304 stainless steel, the whole unit features structure, great load bearing acity and service life. Item Type: Roof Vent   Attic Fan Material: Stainless SteelSize: Approx. 160 x 300 x 250mm Celsius 6.3 x 11.8 x 9.8in