Nilfisk Extreme X 300 For those who quite simply want the best. Do you need a vacuum cleaner with extra strong suction, a top class filter, low sound, and long durability? Nilfisk Extreme offers all of that - and more.. Nilfisk Extreme is designed to be durable, while at the same time making cleaning easy and ergonomically efficient. It features an ergonomic handle and telescopic tube. Extreme dust pickup: A strong motor and a well designed construction result in market leading dust pick up performance. Allergy filtration: HEPA filter stops even the tiniest particles, animal hairs, dust mites, their droppings or even smaller nuisance dust. Dirt comes in, and clean air comes out. Extremely silent: The most powerful vacuum cleaner, and it is also quiet in the Extreme. 5 years guarantee: Feel confident, the machine is built to last and last.