The 5330 Mask from Moldex is a maintenance free half mask with horizontally shaped integrated filters and a low profile design for excellent field of vision. The compact mask can be worn with other safety equipment including face shields, welding helmets and goggles. The Moldex Pleated Filter Technology has more than double the filter surface, reducing breathing resistance significantly and increasing the service life of the particulate filters, making this mask extremely comfortable, cost effective and durable.