Typically a rolling guide or a lever on one side of the vent the damper opens or closes access to the air duct for airflow management.
Square ceiling air diffuser vent.
Clairla return air flow reinforced plastic fan grille sidewall and ceiling vent hvac duct grilles cover diffuser square decorative covers 11 8 x11 8 30wx30l cm 4 6 out of 5 stars 116 15 99 15.
The white powder coated finish helps to prevent corrosion.
4 way wall ceiling register 131 model e104m 12x12.
Grid diffusers are often used with cooling systems.
4 way square ceiling diffuser 23 model ea504m 08x08 37 37.
Air registers have slatted openings in the floor wall or ceiling that a user can control using an adjustable damper.
Chico style modern square vent 100mm.
Vent cone ceiling diffuser 200mm 35 00.
Connect to round duct with a snap on collar not included.
14 w x 8 h adjustable air supply diffuser hvac vent cover sidewall or ceiling grille register high airflow white outer dimensions.
Item 753718 model 30012wh.
Round vent with 150mm duct adaptor silver 79 00 69 00.
They disperse a thin layer of air along the ceiling for even distribution.
Air conditioning square multi directional vent 250mm with 150mm duct.
Ceiling wall and floor vents.
Air conditioning square multi directional vent 250mm with 200mm duct.
Each unit comes with an easily replaceable high efficiency filter with gel seal.
These square flush mount ceiling diffusers are designed to help provide a radial flow pattern from ceiling vents.
15 75 w x 9 75 h 4 4 out of 5 stars 108 34 99 34.
Chico style modern square vent 125mm.
Collar 9 model tb pab 06 87 60.
Place these diffusers in the grid of a drop ceiling to evenly disperse airflow and maintain consistent temperature throughout the space.
Drop ceiling t bar perforated face air vent register white with 6 in.
Accord ventilation white ceiling step down diffuser rough opening.
These openings do not bring air back to the hvac system but deliver heated or cooled air.