Numatic NVR170H Commercial Allergy Hepa13 Vacuum CleanerNVR170H Hepa Henry Vacuum cleaner Numatic HEPA13 The NVR170H HEPA13 is a brand new machine to the Henry family he the most advanced as it has the ability to provide relief from pet allergies allergens , with it's 3 stage HEPA filtration system the NVR170 is much more than an ordinary vacuum cleaner as it can trap particles up to 800 times smaller in width than human hair! The NVR170 performance & high quality filtration makes no difference in the size