Description Wire Ring Inlet Guard for Inline Duct Fans Debris Protection Zinc Plated Steel Wide Compatibility Long-Lasting Guard For 4″ Inlets Foreign Object Protection The wire ring inlet guard acts as a barrier to prevent foreign objects from entering the inline duct fan. Durable Zinc Chromate Finish The inlet guard is constructed from zinc chromate–plated steel, which provides exceptional durability and resistance to corrosion
