8X4 CRYPTIC - 4" Linear Slot Diffuser - 2 Slot - Modern Air Vent Cover for Ceiling, Wall or Floor

The Cryptic Air 8x4 linear slot diffuser is a 2-slot vent measuring 8 inches long by 4 inches wide, rated at 67 CFM. It is made in the USA and sold factory-direct, and it installs in ceilings, walls and floors in both residential and commercial spaces. Factory-direct pricing. Built in our US facility, sold directly. No distributor markup. Custom sizing at no extra charge. Send your dimensions, we'll match them exactly. Fast shipping. 2-5 days from US warehouses on stock sizes, 4-8 days on custom. Silent air control. Internal airflow wings reduce noise while distributing air evenly. Easy installation. Sized to replace standard vent covers without wall modifications. Premium materials. High-grade aluminum, factory-painted with advanced coatings for long-term durability. Need 8 inches in a different width, or a length we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.