Check the listing for details. Spare Air Model 600 Tank. Condition: New. Listed at 393.99 USD. Spare Air Model 600 Tank PRODUCT DESCRIPTION Spare Air Model 600 Our largest capacity model Package includes Spare Air, Holster, Safety Leash and Refill Adapter. Provides twice the amount of air over the standard 3.0 cu. ft. Spare Air. Refill your Spare Air in seconds from any full SCUBA tank. Weighing under 4 lbs. - the lightest 6.0 cu. ft. system on the market. Priced competitively compared to similar systems. Specifications Maximum Capacity: 6.0 cu ft / 170 liters Length:13.5" / 34 cm Diameter: 3.25" / 8.3 cm Maximum Pressure: 3000 psi / 207 bar Weight (full): 3.7 lb. / 1.7 kg Surface Breaths:* 114 Water Volume: 54 cu in / .88 liters *Based on 1.5 liters per breath We ship Monday-Friday 8:30AM - 5PM of EST While some orders will not be shipped out same or next day, they will be delivered by the estimated delivery date. If you desire the item sooner, please, choose expedited shipping options. Tracking: Our system will automatically update you with the tracking info once the order is shipped. To ensure the safety of your items, orders that are valued over $100 may require signature confirmation. Please, contact us through messaging if you need more information on the product