Complies with ISO 4414 standard. • Silicone-free manufacturing: reduces the risk of contaminates in the air line during paint or varnish applications. • Anti-static construction: external dust will not be attracted to painted or varnished surfaces or create static electricity. • ATEX: confirms the safety of the prevoS1 coupling in potentially explosive environments (gaseous, paint booths, etc.). • Equipment meets the requirments of zones classified 1 and 2 (gas) and 21 and 22 (dust).