Tested and certified in accordance with DIN EN 14175 part 1-3 Interior surfaces as required Large opening through narrow guide sections (lisenes) Synchronously running telescopic sash window, ease of operation by sculptured handle profile on upper sash frame Fume hood alarm control monitor integrated into the lisene Interior with top and bottom extraction Rod clamps at the back Modular design with self-supporting back wall cell, high stability even when installed as stand-alone Optionally available with lateral energy supply side wall incl. cupsink Service fittings and electrical fixtures can be selected as required Extensive range of accessories and options, e.g. automatic electrical sash closure