[DESIGN] two part expandable design, made of High transparent unbreakable plastic [FEATURE] Fastens securely to metal duct with two (supplied) strong magnets. Redirects air for added room comfort and increased system efficiency, saving energy [INSTALLATION] Adjust the deflector to fit the vent and position magnets to keep the unit in place [UNIVERSALITY] It's suitable for common 4x10 Inches, 4x12 Inches, 4x14 Inches, 6x10 Inches, 6x12 Inches, 6x14 Inches and the vents which length short than 16in or width more than 3.5in [WHERE TO USE] Widely Used for floor vents, sidewall, ceiling registers. And It can be used all around the home , office, work place, super market, etc<br><br>Color:Transparent Material:plastic<br><br>Package Contents: 6 * Air Vent Deflector<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.