PMH, SA, has developed an innovative disinfection product for surfaces, air conditioning and UTAS Start › News < back 3 Jun 2020 In view of the current moment, when the use of Air Conditioning is not recommended, this is a safe solution and was developed with the well-being of us in mind. Nygiene is a non-chemical product and has an effective action due to its Nanotechnological composition, tested and proven by INSA-National Institute of Health Dr. Ricardo Jorge. With a weekly application and without loss of proven effectiveness, Nygiene protects surfaces and equipment without damaging them. You can find more information about this product, here. For more information contact us.