Automatic door bottoms, commonly called draught excluders, are automatic devices that drop a seal down to the floor as the door closes. They are activated by a button pressed against the door jamb to perfectly seal the gap between the door and floor. Keeping draughts of air, smoke, dust and noise out of an environment contributes to greater comfort, guaranteeing savings in terms of the amount of energy required to heat or cool the same.Multifunctional automatic door closer, automatically close all doors.
Very suitable for home use, light office use, shed, ranch, and home office, affordable!
Hole-free 3M glue installation, firmness does not damage the wall, easy installation, high-temperature resistance.
The high-quality P12 steel wire rope has passed 50,000 times of tensile test and rebound test, with strong tensile force.
Suitable for doors, or doors with a slightly stronger closing force. Doors that open left and right, wooden and metal doors, residential and commercial doors, exterior/inner door closers, fire doors.
Anti-oxidation, anti-corrosion, no rust, stable, wear-resistant, weather-proof, hydraulic, quiet, safe shut-off device.