| SK 3237.100 | SK fan and filter units TopTherm, 20/25 m³/h, 230 V, 1~, 50/60 Hz, WHD: 116.5 x 116.5 x 16 mm | |
| SK 3237.108 | SK filter fan TopTherm, 20/25 m� / h, 230 V, 1 ~, 50/60 Hz, WHD: 116.5 x 116.5 x 16 mm | |
| SK 3237.110 | SK fan and filter units TopTherm, 20/25 m³/h, 115 V, 1~, 50/60 Hz, WHD: 116.5 x 116.5 x 16 mm | |
| SK 3238.110 | SK fan and filter units TopTherm, 55/66 m³/h, 115 V, 1~, 50/60 Hz, WHD: 148.5 x 148.5 x 16 mm | |
| SK 3239.100 | SK fan and filter units TopTherm, 105/120 m³/h, 230 V, 1~, 50/60 Hz, WHD: 204 x 204 x 24 mm | |
