Upright & dry vacuums

ST 11 pro

ST 11 pro


The ST 11 pro has all of the features of the columbus range of vacuum cleaners: infinite adjustment of the vacuum power as well as an extendible telescopic tube for comfortable work adjusted to the type of floor covering. Brush vacuum function for the optional treatment of textiles and smooth floor surfaces. Rubberised castor wheels and swivel castors for smooth running. The optional electrical vacuum brush tool can be connected easily via the integrated socket and operated via the one-hand switch on the hand tube. Large operating radius thanks to 2.5 m suction hose and 15 m mains cable in a bright colour.

Technical key data
  • Working width 270 mm

  • Volume fleece filter bag 11 l

  • Weight 6,7 kg

  • Power max. 720 W

ST 11 pro
Product highlights
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High-performance suction motor.

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The machine operates so quietly that it can even be used during working hours, or in noise-sensitive areas.

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Adjustable air supply

For fatigue-free working, adjusted to suit any surface.

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Compact construction

Compact construction, so especially easy to transport.

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Compact construction, so easy to transport.

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BIONEEM fleece filter bags

Exclusive to columbus: Filter class M fleece filter bag for hypo-allergenic use.

  • Plug-in cable in signal colour

Maximum safety during operation: clearly visible, easily replaceable cable.

  • Ideal for hard floors

Also suitable for cleaning hard floors.

  • HEPA filter

Exceptional protection for users and the environment.

  • Retain value

Keeps high value textile floor coverings looking good for longer.

ST 11 pro
Technical data
Technical key data
L x W x H 390 x 300 x 410 mm
Working width 270 mm
Ground clearance
Volume fleece filter bag 11 l
Noise level 56 dB(A)
Sounf power level 73 dB(A)
Weight 6,7 kg
Nominal diameter 32 mm
Electrical data
Rated voltage 230 V
Power total 720 W
Mains cable 15 m
Suction motor
Low pressure max. 222 mbar
Air flow max. 31 l/s
Protection class II
Air flow regulation mechanical
Brush speed
Brush drive
Floor adjustment
Telescopic tube
Filter basket yes
Exhaust air filter cassette yes / HEPA
Upholstery tool yes
Crevice tool yes
Round brush set
Clip for accessories
ST 11 pro

As a specialist for contract cleaning, columbus offers you, in addition to first-class machines, a wide range of accessories for an individual adaption to your equipment and your requirements.