Check the listing for details. Oceanic Alpha 8 + SP5, DIN Scuba Diving. Condition: Used. Listed at 283.99 USD. Professional performance, entry-level price. The Alpha 8 Sport is the top-performing regulator in its class, and one of the most affordably priced regulators you can buy. Features Demand Valve Balancing System Integrated Purge Button Orthodontic Mouthpiece Nitrox Compatibility to 40% Weight (without hose) 6 ounces Dimensions (front profile) 2.9 inches Minimum Cracking Effort 1.1 CIW* Factory Set Inhalation Effort 1.2—1.4 CIW* The best price-to-performance ratio in its class Designed to perform to the U.S. Navy’s Class A standards at 198 feet Inexpensive to maintain Limited Lifetime warranty Limited Lifetime Service Agreement 30-Day Satisfaction Guarantee Specifications FEATURES & FUNCTIONS ALPHA 8 SECOND STAGE Valve Type DEMAND Adjustment Balancing System Integrated Purge Button YES Mouthpiece ORTHODONTIC Nitrox Compatibility STANDARD TO 40% Ambidextrous Integrated Swivel Weight (without hose) 6 OUNCES Dimensions (front profile) 2.9 INCHES First Stage Configurations PX-2/SP-4 Minimum Cracking Effort 1.1 CIW* Factory Set Inhalation Effort 1.2 – 1.4 CIW* Work of Breathing 1.23 JOULES (PX-3) 1.47 JOULES (SP-5) Warranty LIMITED LIFETIME Limited Lifetime Service Agreement YES 30-Day Satisfaction Guarantee YES