This is a hose that has commercial couplings. it's 1. 1/2" X 50' At this time I only have 6 available. These can be shipped three in one large box at a time. I can also ship two of these in the medium box. I believe the idea here is to have this connected up to a water source and or a pressure pump 4 extra power. You can roll out 300 feet in a matter of seconds because of the quick connects I believe this is fire hose as the material looks identical to the fire hoses . Yet it could be high pressure air hose. It can be used for both. Granger has fittings that will adapt from your house water or air to the quick coupler. The fitting I looked at was $22. This hose can be used for air or water. I do not have the specs on this hose. The fittings indicate that it is for high pressure. Air or water. The casing is a heavy fabric I believe it may be Fireproof and I believe it may be fire hose. On the other hand it very well maybe air hose. Air hose does not usually come like this in a flat casing roll up. I believe this is the same hose that you find in an office buildings After intensive searching these 50ft hoses with this type of coupling. can go up to $250 and even a little more. . You can run out 300 feet of hose in 50 ft length In 60 Seconds. Because of the quick connects. What's your house worth? If you live in a fire area this may be the solution to laying out a lot of hoes quickly in case of a fire. My policies Everything I list I put all the information I have on the item!!! I can't tell you anymore. Please only contact me if you're buying. I live near the Albertsons in Spanaway Washington . You may pick up .I do not deliver but I do ship . I've retired and selling out my warehouse slowly I'm just starting to list after taking a year off. I systematically lower my prices. Nobody likes low ballers and I don't respond to them. Only reasonable offers