The R360XL is the same as the R260XL but for three divers, same compact, storage/travel case, but weighing in at a manageable 52 lbs. Features are available only at The Air Line, BUT service and warranty are available at over 900 Thomas Industries facilities. By purchasing these items you affirm that you are competent in the use of underwater breathing apparatuses and have had adequate training in their use. You further affirm that you understand the precautions which must be taken with their use and, if not sure of any aspect of the potential hazards of breathing compressed gas underwater, you will seek proper training or re-training before attempting to use this, or any, life-supporting equipment. At no time will you allow untrained people to use this equipment and you fully understand that this equipment is never to be used beyond no-decompression limits. By completing this purchase you release The Air Line by J. Sink, Corazon, LLC, its DBA's or affiliates from any liability caused by any false information, or by the use or misuse of the equipment, including unauthorized alterations. Single head compressor. Tested with three real people, repeatedly, at a depth of 75 feet and four at 60. Compressor merely yawned at these depths (Pretty boorish behavior, I say). Powered by Honda's 4 HP, OverHead Valve, 4-cycle engine. Run time, for four participants, is three hours. In Scubaese, that's four full sets of scuba with three tanks each. Talk about deck space and weight!! Standard equipment for three includes: 60 foot air hoses w/particle filters; towing belts, fully adjustable, second stage regulators, Cordura covered float w/inflator, flag; storage case and gear bag. For the fourth diver, order the optional Addit Diver Package from the Accessories section. Compressor: single-head, direct-drive, oil-free, Wobble piston. (With the typical, Air Line-only features, not found with the wannabes.) Warranty: Worldwide; one year, compressor; two years, Honda. Inflated float size: 38 in. (Use as deck mount on 19-1/2 by 25 in. pan.) Free Air Displacement: An incredible 12.5 CFM.