MEDI 5 DUSTBLOCKER WITH UV STERILIZER AIR PURIFIERS FOR OFFICE & HOME The MEDI range has been developed for public spaces such as Hospitals, Care Homes, Pharmacies, Schools, Colleges, Clinics, Laboratories, Offices, or any indoor area where there could be nasty airborne micro-organisms such as bacteria, viruses, parasites, fungi, dust mites & spores, and render them unable to reproduce. These powerful air cleaners are designed to run 24 / 7 to purify the air and create a healthy living environment, but they do not displace the need for essential sanitising and disinfecting of surfaces.