Air Systems CVF Style Explosion-Proof Axial Fan Kit includes CVF-8EXP fan, 25' conductive duct, canister and user wired per NEC requirements. The 8" fan with an voltage rating of 115 VAC features 10' power cord, built-in sealed on/off switch, no plug, user wired per NEC requirements and UL/CSA approved explosion-proof motor that is approved for class I, groups C, D, class II, groups E, F as well as G environments. It is perfect for work on boilers, utility and telecommunications companies, electrical transformer repair, open trenching, maintenance, tank cleaning, manhole entry and cleaning tanks.