Kärcher has launched two new wet and dry vacuum cleaners in the M and H class categories, for use in construction and industrial environments.

Available in 110V and 240V, the range comprises the NT 30/1 Tact Te H, NT40/1 Tact Te L, NT 40/1 Tact Te M and NT 40/1 Tact Te H models which have a sensor-controlled, automatic filter cleaning system (Tact). This is designed to detect when the filter needs to be cleaned and reverses the air flow, enabling continuous operation without any loss of suction power. They also optimally select the filter cleaning interval, depending on the quantity of dust being vacuumed.

The manufacturer states the units for can be used for collecting large volumes of hazardous substances, such as asbestos dust. For more details visit www.karcher.co.uk