Special accessoires KLF 60/80 active carbon filter E-Nr. 610 899 421 Wall box MKZ (overall dimensions 250 x 220 mm) (break-trough 185 x 210 mm) E-Nr. 610 899 004 Exhaust air hose ABS 100 100 mm dia., aluminium E-Nr. 942 118 610 (for 510 D) Exhaust air hose, ABS 125 125 mm dia., aluminium E-Nr. 942 118 612 (for 560 D/5608 D) Extension cable E-Nr. 610 899 310 (2 m long) Faults In case of any enquires and faults, please call our after-sales service (see list of service centers).