Edge Epic Complete Regulator Set Balanced Diaphragm first stage, 2 high pressure ports and 4 low pressure ports available in yoke. Second stage and octopus pneumatically balanced for low breathing (cracking) effort Second stage and octopus have dive/pre dive switch to reduce freeflow on the surface Original owner limited lifetime warranty. All owners 7 year limited warranty. Hoses have a 3 year limited warranty. Second stage and octopus have braided nylon super-flexible hose