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Read our privacy policyThe R 35 Roof Mounted Polypropylene Blower is engineered for powerful and reliable ventilation in the most corrosive and demanding environments. Ideal for coastal facilities, chemical processing plants, and natatoriums, this blower is constructed entirely from heavy-duty polypropylene with thick walls that provide outstanding resistance to acid exposure, chemical fumes, and corrosion. Enhanced with Hindered-Amine Light Stabilizers (HALS), the unit provides excellent UV protection, ensuring durability and performance even in the most extreme outdoor conditions. Its forward curve, direct drive design delivers high-efficiency airflow while maintaining a compact and lightweight form for easy handling and installation.