4" Linear Slot Diffuser - 2 Slot - Modern Aluminum Air Vent Cover for Ceiling, Wall or Floor | Cryptic Air cryptic-pro Easy installation

Easy installation

R6 Insulated Plenum Box for 1-Slot (Single-Slot) Linear Diffusers

Front metal lip for secure drywall connection

anywhere on the box

4" Linear Slot Diffuser - 2 Slot - Modern Aluminum Air Vent Cover for Ceiling, Wall or Floor | Cryptic Air cryptic-pro Easy installationThe Cryptic Air 4 inch 2 slot (double slot) linear slot diffuser is a modern AC vent cover designed to replace standard registers with a clean architectural finish. Built for ceilings, walls, and floors in residential and commercial spaces, this decorative air vent delivers powerful, quiet airflow with a minimalist look. Factory direct pricing. Built in our US facility, sold directly. No distributor markup. Custom sizing at no extra charge. Send your