2 Pack Air & Heat Deflector for Vents, Sidewalls and Ceiling Registers, Adjustable from 8.5" to 15"

• 【DESIGN】Unique two part expandable design, made of High transparent unbreakable plastic.

• 【FEATURE】Fastens securely to metal duct surface 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. ※ Try to press magnets(supplied) to bottom until it touch your vents, the magnets will hold down firmly.

• 【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.

• 【NOTE】The magnets(supplied) are not suitable for wood, aluminium and plastic vents, not suitable for vents which long than 16inch. Screw slots on deflectors are reserved for non-metal vents.

For central forced air heating and cooling systems.