Circular Deckenluftdurchlass (Luftfilter, HVAC)

F-YS-B is shaped by mold punching. F-YS-B with a big circle panel can diffuse air flow to long distance.The spiral core can change the size of air-flow surface,and the core can separated from the frame, so F-YS-B can be easy to install and disassemble. Also,F-YS-B can be equipped with fan-shaped valve according to different requirement. Standard Size(mm) as bellow: SPEC(neck size)150200250300350Φ** * * *Remark Non-uniform: Can be adjustable by customers We sincerely welcome you to contact us forbusiness.