Conforms to EN140:1998 & EN143:2000. APF20. Perfect for everyday use in construction and utilities through to the more demanding environments of metalworking, welding & stonemasonry. Keep Safe Elipse twin filter ready to wear half mask. Latex and silicone free, lightweight TPE face piece that is comfortable to wear for long periods of time. Low profile filters provide unobstructured field of vision. Suitable against Silica Dust. Weighs less than 135g with filters.