Husqvarna 504064601 Leaf Blower Tube Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; 350BT Tube 504064601 directs air from the blower Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Husqvarna This tube (part number 504064601) is for leaf blowers Follow the instructions in your owner's manual when installing this part