Supply Vent vs Return Vent: What’s the Difference?
Supply openings push conditioned air into a room; return openings pull air back to the system. Learn how to tell them apart, then measure before choosing a vent cover size.
Knowledge Center
Practical vent cover sizing guides, airflow basics, and installation insights grounded in SOKNOCKK’s Confirmed catalog.
Supply openings push conditioned air into a room; return openings pull air back to the system. Learn how to tell them apart, then measure before choosing a vent cover size.
Compare White and Black decorative linear vent covers room by room, then use a simple finish plan to keep your home visually consistent.
Blog · Sizing How to Read a Vent Cover Size Label A stamped mark like 10×4 on an old register is a useful size-family…
Measure the duct, wall, or floor opening before ordering a vent cover. Tape the clear opening - not the outer face - then match…