Automatic air-stop with ear for armored door

Automatic air-stop, which is located inside the door, the mechanism that has "dropped" and seal the air inlet at the bottom of the door when closing. The air-stop placed at 80cm and 100cm length and cut to fit the dimensions of each joined door from the side that has no mechanism.

The air-stop seals the gaps in doors and windows, keeping the temperature inside, allowing the temperature and dust in the atmosphere from the outside, providing insulation and significant energy savings.