EAF-WE energy-saving aluminum side wall exhaust fan

Features:

• All aluminum alloy / galvanized steel sheet structure, high strength, corrosion resistance;
  Square shell with flange design, easy installation;
  Direct drive design, high reliability, maintenance-free;
  Impeller balance rating up to ISO 1940 G2.5 balance level;
  Through the national explosion - proof certification;
  Explosion protection class Exd IICT4 Gb;
  Standard large rain cover, effectively prevent the rain into the room;
  Standard anti-bird network, effectively avoid foreign matter into the room;
  Standard G4 plate metal filter, can be cleaned repeatedly;