http://www.sxcanreal.com/return-air-vent/

Model NO.: KRH-1
Product Descriptions
Every home and building that uses forced hot air for heating purposes will have return vents. The return vent, or register, is also known as an air return vent, and a cold air return vent. It accomplishes just what the various names imply, return colder air, via registers and ductwork, to the furnace so that it will run as designed. Return vents also provide proper air circulation throughout the structure. A single-layer grille PVC return air vent, as well, be installed with central air conditioning systems, though in a somewhat different configuration.


Lead Time:
Quantity(Pieces)1 - 1000>1000
Est. Time(days)12To be negotiatedReturn Air Vent manufacturers
website:http://www.sxcanreal.com/return-air-vent/