We are offering aluminium roof ventilator. model: 300/ 500/ 600 materials: adopting 3005# aluminum alloy as base material, on the surface of which sprays a coating of 20m thickness fluorine carbon polyester; japanese nsk sealed bearing; fireproofing reinforced nylon support or metal support; rivet to connect. benefits: light weight, high revolving sensitivity, strong corrosion resistance, high air venting efficiency, clean and smooth, uniform color, and easy maintenance. working condition: temperature difference between indoor and outdoor is 0.45, it begins to revolve at the wind speed of 0.12m/ s. roofing angle: applied in different roofing in the scope of 0-22.5oblique angle. warranty: 15 years
Additional Information:
Delivery Time : Based on customer requirement,or one week from P.O