With the coming into effect of VDI 6022, real hygiene requirements have been placed for the first time on air conditioning and ventilation systems. The mineral wool as well as the glass-fibre fabric used in splitters and splitter type-attenuators fulfill the requirements acc. VDI 6022 part 1+3. All types of splitters and splitter type-attenuators are tested and certified by the ILH (Institut für Lufthygiene, Berlin). From 01.08.05 Trox splitters and splitter type-attenuators acc. our leaflets are supplied exclusively in hygiene design. Technical leaflet 6/9/EN/2 MSA, MKA (PDF - 360 KB) Technical leaflet 6/10/EN/2 XSA, XKA (PDF - 340 KB) Certificate VDI 6022 Splitters MKA 100, MKA 200, XKA 100, XKA 200, XKA 300 (PDF - 2520KB) Certificate VDI 6022 Splitter type - attenuators MSA 100, MSA 200, XSA 100, XSA 200, XSA 300 (PDF - 1130 KB)