Double door airstop from the company estia. It offers tightness and thermal protection, as it maintains the heat of the room, thus saving energy. Keeps out the cold, dust, bugs and noise. It consists of 2 cylinders made of polyethylene foam (EPE Foam) with a diameter of 2.5 cm. The lower part has a fabric lining made of synthetic material. Also suitable for security doors. It is compatible with doors up to 8 cm thick. Can be cut to desired length.