When it comes to heavy-duty air hoses, there are several features that you should look for to ensure durability and reliable performance. One important feature is the material of the hose itself. Opt for a heavy-duty air hose made from a durable and long-lasting material such as rubber or polyurethane. These materials can withstand high pressure and resist abrasion, making them ideal for heavy-duty applications. Moreover, consider the length of the hose. A longer hose allows for greater flexibility and convenience when working in larger areas or around obstacles. Look for hoses that are at least 50 feet long, as this will provide ample reach without sacrificing maneuverability. Additionally, pay attention to the fittings and connectors of the air hose. High-quality fittings made from brass or stainless steel are more resistant to corrosion and leakage, ensuring a secure connection between your tools and the air supply. Quick-connect couplers are also desirable as they allow for easy attachment and detachment of tools without wasting time on manual screwing.