- GUARANTEED MANGETIC STRENGTH - includes 8 powerful neodymium magnets strong enough to block air flow to any metal vent or register (doesn’t work on aluminum vents)
- SAVE ON ENERGY BILLS – blocks air flow to all metal vents - HVAC, AC, home, RV, fireplace, floor, furnace, wall, air conditioning, cold air return, dryer, vent hood, heat vent, exhaust, foundation, commercial
- WORKS ON MOST VENT SIZES – can easily be cut down with a pair of scissors to any of the following sizes: 5x12, 5.5x12, 8x8, 8x12, 6x12, 4x12, 11x7, 4x10, 6x12, 7x11
- PAINT IT ANY COLOR: vent covers are white, but can be painted any color you like
- GUARANTEED MANGETIC STRENGTH - includes 8 powerful neodymium magnets strong enough to block air flow to any metal vent or register (doesn’t work on aluminum vents)
- SAVE ON ENERGY BILLS – blocks air flow to all metal vents - HVAC, AC, home, RV, fireplace, floor, furnace, wall, air conditioning, cold air return, dryer, vent hood, heat vent, exhaust, foundation, commercial
- WORKS ON MOST VENT SIZES – can easily be cut down with a pair of scissors to any of the following sizes: 5x12, 5.5x12, 8x8, 8x12, 6x12, 4x12, 11x7, 4x10, 6x12, 7x11
- PAINT IT ANY COLOR: vent covers are white, but can be painted any color you like
