Pipe type exhaust fan(full plastic type) Model No: BPT12-13B3,BPT12-14B3,BPT15-34B3 *Full plastic design, more lighter & economical; *Spring-clip design faceplate, compact body structure with strong flexibility; *Easy to dismantle, assemble & clean; *Centrifugal blades, high-speed motor, and vortex channel low noise; *Space and electricity saving; *Durable motor with build-in thermal fuse *Various air flow: 60CFM ,90CFM, 150CFM for option