The XS Scuba Pony Regulator System uses a Highland Compact DIN 1st stage with a flow-by piston design for optimal performance. With one HP and two MP ports, it offers versatility and precision. The brass Highland Mini Tech Gauge (0-5000 psi) with rubber boot and Miflex yellow hose (40 in) make for a durable and reliable system. The compact AltAir features an X-Lock™ buckle for quick and easy use.