19mm wide opening - 1 Slot Vent Covers

Linear slot diffuser - Connols-Air Pte Ltd 1 slot linear diffuser Aesthetically pleasing linear slot diffusers are designed for both directional and volume discharge · Provides flexible air patterns to preform well in any room 12 trojan mysteries slot Constructed of extruded aluminium, these diffusers can be used in virtually any type of ceiling Available in 3 different slot widths, from 1 through 8 slots,

1x bet slot Shop 60 Linear Slot Diffuser - Single Slot - Black Decorative Air Vent - Modern AC Vent Cover for Ceiling, Walls & Floors