12" x 4" Floor Register HVAC Air Supply Grille - Heavy Duty Rigid Built - Plastic Never Rust Vent Duct Cover [Outer Dimensions: 14w X 6"h] Aluminum actual front end outer dimensions

actual front end outer dimensions are approximately 11

+ Product Details Size – 8" x 20" or 20" x 8" is the size for the duct opening measurement only

is fireproof and ensures efficient thermal performance

10"w X 4"h Is The Size For The Duct Opening Measurement Only

12" x 4" Floor Register HVAC Air Supply Grille - Heavy Duty Rigid Built - Plastic Never Rust Vent Duct Cover [Outer Dimensions: 14w X 6"h] Aluminum actual front end outer dimensions12"w X 4"h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 14" Width X 6" Height SEE IN DESCRIPTION HOW TO MEASURE A GRILLE Solid Construction Designed For Floor Use High Quality ABS Plastic Will Last Forever & NEVER RUST Foot Operated Opposed Blade Damper For Full Air Flow Control And Shutoff Multi Angled Fan Pattern Fins For Multi Directional AIr Distribution Throughout The Entire Room 12" x 4" Floor Register