The Cleanspace EX Half Masks are designed for use with the Clean Space EX Power Unit. The EX Half Masks clip quickly onto the power units and are easily unclipped for cleaning. The Half Masks are made of soft silicone that readily molds to the face and does not cause allergic dermatitis. The Clean Space EX Half Masks have been treated with an electrically conductive coating and have been approved for the use in Intrinsically safe environments. Standards = EN 12942:1998+A2:2008, AS/NZS 1716: 2012, IEC 60079-0:2017, IEC 60079-11:2011, EN 60079-0:2012, EN 60079-11:2012Light weight, comfortable and durableSoft silicone that readily molds to the faceAvailable in 3 sizes Small, Medium and Large to facilitate a good seal and a comfortable fitTransparent to assist with communicationCompatible with most cleaning and disinfection protocolsEasily removable exhalation valve for cleaningFit Test adaptor available for TSI Porta count fit testing