The Allegro 12″ Axial Explosion‑Proof (EX) Plastic Blower w/ Canister & Ducting features a lightweight, corrosion‑, UV‑ and chemical‑resistant polyethylene housing in safety orange, paired with a 12″ (305 mm) axial fan and explosion‑proof, single‑phase 1/3 HP motor (120 V AC). Free‑air rating: 1,484 CFM (~709 L/s), 1,174 CFM with one 90° bend, 1,014 CFM with two 90° bends. Certified Class I Div 1 & 2 Groups C & D, Class II Div 1 & 2 Groups F & G.