Description
The Carrier 40QA400070 is a Grille Assembly vent that manages and guides the air circulation within your heating and cooling system. Usually on the return air side of the system it directs air back to the unit. The grille assembly making it for standard-sized return air openings. This grille meets the requirement which means that no toxic substances are used. Due to the proper direction of the airflow by the grille assembly your HVAC system operates at its and you get a uniform temperature in the whole house.
