Balanced diaphragm first stage. lightweight and compact with 4 slots on the frontalring nut to guarantee greater thermal exchange. optimizing performance even underextreme conditions. The new removable stainless steel valve seat eliminates oxidationand reduces wear in the key point of the first stage. increasing reliability and safety.The second stage features all-new mechanics. with a sophisticated cover designand functions the improve performance. Second stage material: technopolymers.elastomers. and cover with “Luxury Technology” treatment for abrasion and scratchresistance. • Second stage features: the new lever ensure the reduction of friction.making inhalation more fluid and linear • HP outlets: 2 • LP outlets: 4. of which 2 inclinedat 20° and 2 inclined at 30°.