“Industrial group “Ukrfilterservice” enterprise “Filtr” has been specializing in development and production of wide range of personal protective equipment (PPE) of respiratory organs for twenty years; such products as disposable dust respirators “Rostok”, gas-dust respirators “Topol” (grades A1, E1, K1), reusable dust respirators “Puls -M”, “Puls-K” and replaceable filters to them PF-1A as well as protective devices for knee and elbow joints meet the local and European standards.