Fritz Seeger Siloverschlüsse has been specialized in the manufacture for over 50 years from airtight seals for silos and biogas-installations (patent). You get the best quality of fodder with lowest losses through airtight conclusion (carbonic acid-procedures), been suitable for round, quadrangle, and driving-silos. With our seal, trouble-free locking and opening of the silos are possible. Also occurs through our seal much lesser emission of carbondioxid to the environment !