Hi-Tech Duravent 2PN Ducting Hose is a durable, self-extinguishing hose designed for dehumidification, ventilation, and air conditioning applications. Constructed from 2-ply neoprene-coated polyester, it provides excellent chemical and puncture resistance, making it ideal for moving light particles or materials under positive or negative pressure. Rated at 8 PSI, with a 6.8-inch bend radius, it operates in temperatures from -40°F to 250°F. This black, rugged hose is built for longevity and reliable performance in enclosed space ventilation, portable AC, and pre-conditioned air systems.