The AX 200 upblast fan incorporates a heavy-duty spun curb cap to reduce inlet losses, a butterfly damper section ... 200 Series tubular inline fans work for supply and return fans in air handling ...

Four new dynamic fire damper models are available to protect oversized openings in buildings. Featuring a fabricated steel 3V blade type, Models DFD-210 and DFDAF-310 have a maximum 128-by-100-inch ...