On the inner walls of the air and air conditioning ducts can be collect dust in which microorganisms live. The ducts are cleaned with special brushes mounted on flexible wire to be able to go round corners.
On the top of the brush body a plastic ball is mounted, the brush tip has a pin which is clamped in the handle of the wire.Circular brushes clean circular and rectangular ducts. The fill material of brushes, depending on the ducts, is made of: PA fibers of different thicknesses. For heavily soiled ducts, brush is reinforced by stainless steel flat wire.
| No. | ROUND BRUSH |
| 1 | Ø 100 |
| 2 | Ø 125 |
| 3 | Ø 160 |
| 4 | Ø 200 |
| 5 | Ø 250 |
| 6 | Ø 315 |
| 7 | Ø 400 |
| 8 | Ø 500 |
| 9 | Ø 630 |
| 10 | Ø 710 |
| 11 | Ø 800 |
| 12 | Ø 1000 |
| 13 | Ø 1200 |
| 14 | Ø 1600 |
| No. | RECTANGULAR BRUSH |
| 1 | 200 x 200 |
| 2 | 315 x 200 |
| 3 | 400 x 200 |
| 4 | 500 x 200 |
| 5 | 630 x 200 |
| 6 | 710 x 200 |
