Bielefeld factory in Germany.

the vacuum cleaner.The fast rotating impeller (up to 35,000 RPM) creates negative pressure inside the vacuum, which is lower pressure than the surrounding atmosphere.

Air from outside the vacuum rushes in to fill this area of negative pressure.. As long as the fan is running, there is a. continuous stream of air.entering the vacuum and exiting via the exhaust.This is what we call suction.

The exhaust is essential, otherwise air from the fan would have nowhere to go.Air also passes over the motor to keep it cool..

The air pulls dirt, hair, and other debris with it into the vacuum, where it is collected by the.

The bag has porous sides that acts as a filter, allowing air to pass through but trapping dirt.We’ll cover these in more detail a bit later..

Unlike the Dyson models, you don’t need to hold the power switch down when using the vacuum, which we think many people will be pleased to hear – although it does reduce the effective run-time of the vacuum.. Filtration.The Miele Triflex HX1 Cat and Dog comes with a HEPA AirClean lifetime filter.

This nifty bit of kit captures 99.999% of fine dust particles and other allergens, so they don’t recycle back into the room..Even with a HEPA filter, bagless vacuums aren’t the best choice for allergy sufferers, as allergens can escape during the emptying process.