Linus ProAir Diffuser Vent Cover (DVC) Bring the clean, modern look of commercial linear slot design into residential and light commercial spaces with the Linus ProAir Diffuser Vent Cover (DVC). Purpose-built for homeowners, interior designers, and light commercial contractors, it combines architectural aesthetics with genuine heavy-duty construction—making it the only truly floor-rated linear vent cover available today. Available in standard sizes from 4×6 up to 24×30 for floor, wall, and ceiling applications. 45° Mitered Corner Joints The signature mitered corners deliver a refined, furniture-grade aesthetic that elevates any space. This clean, seamless corner detail is the finishing touch that interior designers and homeowners notice immediately—and that standard four-sided vent covers simply can't match. The Only Truly Floor-Rated Linear Vent Cover on the Market Linus ProAir is the only linear diffuser tested and certified for high-traffic floor use on sizes up to 24 inches. Some p