This HVAC Defrost and Heater Air Duct Hose, model number 815-5007 and 23864, is a must-have for anyone in need of air conditioning and heating solutions. The brand of this product is Gates, a trusted name in the industry. This lot includes six defroster/air duct hoses, perfect for those in need of multiple air conditioning and heating units. The manufacturer part numbers for this product are 815-5007 and 23864. Whether you're in need of parts for your existing system or looking for a complete solution, this HVAC Defrost and Heater Air Duct Hose is the perfect addition to your home or vehicle.