Unbeatable: All spare parts of the past 40 Years are still availableVentilating series VARIO (year of manufacture 2000-2014)Here you reach our Onlineshop and all products of ventilaiting series VARIO Ventilating series G-4 (year of manufacture 1988-1999)HERE YOU REACH OUR ONLINESHOP AND ALL PRODUCTS OF VENTILAITING SERIES G-4 Ventilating series M-1R & M-3-R (year of manufacture 1985-1993)HERE YOU REACH OUR ONLINESHOP AND ALL PRODUCTS OF VENTILAITING SERIES M-1-R & M-3-R VENTILATING SERIES GLK (YEAR OF MANUFACTURE 1980-1984)HERE YOU REACH OUR ONLINESHOP AND ALL PRODUCTS OF VENTILAITING SERIES GLK