AWT-5168T   AWT-5168     MODEL NO. DIMENSION (mm) HOT WATER COLD WATER ROOM WATER FILTER AWT-5168H 170x450x440 4L N/A Yes AIC-2C AWT-5168C 170x450x440 N/A 2L Yes External AWT-5168T-H 170x450x670 4L N/A 5L tank(suggest) N/A AWT-5168T-C 170x450x670 N/A 2L 5L tank(suggest) N/A                 AWT-3100                      AWT-3200 MODEL NO. DIMENSION (mm) HOT WATER COLD WATER ROOM WATER FILTER AWT-3100C 230x350x1250 N/A 3L Yes NL-3M AWT-3100CH 230x350x1250 3L 2.2L N/A External AWT-3200C 230x350x1250 N/A 3L Yes NL-3M AWT-3200CH 230x350x1250 3L 2.2L N/A External