FITS 12x6 DUCT OPENING - MEASURE THE HOLE, NOT YOUR OLD COVER: This decorative air vent cover fits a 12" x 6" duct opening (the hole in your wall, ceiling or floor), also listed as a 6x12 wall register or 12 x 6 vent cover. Neck size: 11-3/4" x 5-3/4". Face size: 13-3/4" x 7-3/4". Do not measure your existing cover face - measure only the open duct hole. Important: this linear slot diffuser has a narrower face panel than a traditional louvered grille, so the modern vent cover may not fully conceal the paint-free area left by your old AC vent cover. A light paint touch-up helps ensure a finished look. See our photo diagram for sizing. GREEN VENT support is available before you order. PREMIUM LINEAR SLOT DESIGN - ALLOY ALUMINUM, ARCHITECTURAL FINISH FOR MODERN HOMES: Clean parallel blade profile gives any wall, ceiling, or floor a hotel-quality built-in look, blending seamlessly into contemporary interiors. Heavy-gauge alloy aluminum frame with no plastic parts and precision-spaced black blades. Rust-proof, warp-resistant and built to last for years. Powder-coated surface wipes clean with a damp cloth and accepts standard spray paint for custom color matching. Hidden side screws create a clean flush wall vent finish. Available in white and black, including a popular black wall air vent cover option for dark ceilings and industrial-style interiors. MULTI-DIRECTIONAL AIRFLOW CONTROL - QUIET AC VENT COVER WITH WIDER BLADE SPACING: Precision adjustment bar directs airflow left, right, evenly to both sides, or fully closed to block unused rooms - without replacing the unit. The GREEN VENT linear slot diffuser features wider slot openings than competing models, allowing air to pass at controlled velocity with less turbulence. This deliberate engineering choice results in measurably quieter operation - addressing the rattling and whistling common with narrow-slot ac register vent covers. A true noise-reducing vent cover ideal for bedrooms, nurseries, home offices, and open-plan living rooms where quiet, controlled airflow matters most. TESTED SAFE FOR YOUR HOME - TÜV RHEINLAND CERTIFIED, MADE IN VIETNAM: Independently tested by TÜV Rheinland across 4 safety standards: lead-free surface coating (California Proposition 65 compliant), phthalate-free materials (Prop 65), free of PBT toxic chemicals (US EPA TSCA Section 6h) and corrosion-resistant finish per ASTM B117 salt spray standard with zero deterioration after 24-hour exposure. Every GREEN VENT decorative hvac register and air vent cover is designed and crafted in Vietnam by skilled craftsmen to meet the expectations of U.S. homeowners and contractors. 5-MINUTE RETROFIT INSTALL - FULLY REMOVABLE, SCREWS AND TOOL INCLUDED: Designed as a direct drop-in replacement for standard duct openings with no modification required. For wall and ceiling installation, mounts with 4 screws through pre-drilled hidden side holes with no visible fasteners on the face. Only a screwdriver and the included blade adjustment tool are needed. For floor installation, simply drop the floor register cover into the existing opening - no screws or tools required. Optional screws can be added for wall or floor use. Fully removable and reusable. GREEN VENT support is available before or after purchase. CEILING, WALL & FLOOR INSTALLATION - SUPPLY AND RETURN AIR COMPATIBLE: Installs on ceilings, walls, and low-traffic floors for both supply and return air use. Works as a ceiling vent cover, wall register vent cover, or floor vent cover in bathrooms, kitchens, living rooms, bedrooms, home offices, and light commercial spaces. For floor use, install in low-traffic areas only. When used as a return air vent cover or decorative return air grille, this diffuser is not compatible with standard air vent filters. The powder-coated aluminum finish is UV-stable and corrosion-resistant, suitable for covered patios, garages, and enclosed porches, but not for direct rain exposure. HOW THIS DIFFERS FROM STANDARD VENT COVERS AND PLASTIC ALTERNATIVES: Unlike traditional louvered steel HVAC grilles and registers, this linear slot diffuser delivers a smooth, wide airflow pattern that can help reduce hot and cold spots in larger rooms. Unlike plastic AC vent covers, the alloy aluminum construction will not warp, yellow, or crack over time. The multi-directional adjustable blade system supports 1-way or 2-way airflow control, a feature many standard wall air vent covers and ceiling registers do not offer. Note: like all linear slot diffusers, this model has a narrower face panel than traditional grilles of the same duct size by design for a cleaner decorative look. DESIGNED FOR RENOVATION, NEW CONSTRUCTION AND MODERN INTERIORS: The flush-mount linear blade profile is ideal for replacing outdated louvered grilles with a clean architectural finish. Direct retrofit for standard duct openings with no modification required. Often chosen for new construction and renovation projects in residential spaces. Well suited for op
