Pipe insertion fan, axial design, directly driven., Pipe sleeve with smooth ends made of galvanized sheet steel with two outward-facing stiffening beads, suitable for insertion into pipes with NW 200., High-pressure, high-performance impeller made of plastic with 7 blades, for high pressure and volume output., AC shaded-pole motor with thermal overload protection for continuous operation with maintenance-free, lifetime-lubricated ball bearings, reversible.
