Stop premature respirator tossing! Choose the HandyStrap equipped 2740R R95 Series respirator by Moldex. Its DuraMesh technology prevents crushing; it ensures that this dust mask has a longer life than other respirators. This disposable respirator has a ventex valve which acts as a cooling mechanism, keeping hot air out and keeps the cool air inside. And finally, the Handystrap makes hanging the respirator under the chin convenient and makes the disposable respirator last all day long. The 2740R R95 provides protection against both oil and non-oil based particulate aerosols.