Offered in Sizes 18 through 60, ECF Plug Fan utilizes ECF-9 airfoil wheel to optimize flexibility, helping users select correct unit for specific application requirements. Class 2 and 3 models are available with pressure to 13 in. SP and temperature capabilities to 200, 450, 800, and 1,000°F. Accessories/options include 316 and 347 stainless steel construction, inlet guard, shaft/bearing guard, belt guard, integral inlet cone assembly, and ceramic felt shaft seal.