AJFJH75-34-CTR is a contractor grade hose, designed to stand up to the needs of DIYers, homeowners, and handymen alike. Aqua Joe's marine grade fiber surrounds a durable 3/4-inch flexbile inner core, providing resistance to daily use and abuse including ripping, crushing, temperatures down to 0 degrees Farenheit, mold, and mildew. Aqua Joe also comes with a 2 year warranty for additional peace of mind.