The Powercap Infinity is an exceptional fully intergarted TH3 powered air respirator, Provides the latest in powered air purifying respiratory technology combining decades of innovation, Offers 4 of the highest level protections in one head mounted unit giving complete protection. Built around the EVO5 safety helmet for superior protection and comfort, EN397. High capacity HEPA filters coupled with pre-filter covers for ultimate performance. Delivers 160 litres per minute of clean air to the user.