SUPERIOR MATERIAL: The tube is made from robust plastic that offers exceptional resistance to corrosion and heavy-duty strength. This convenient component boosts your leaf blower at peak performance and saves time. EASY TO INSTALL: To install a replacement flex tube in a blower, first, turn off and unplug the blower. Remove the old tube by loosening the clamps or connectors. Position the flex tube, attaching it securely with clamps on both ends. Ensure the tube is properly aligned and not twisted, then tighten the clamps. Finally, turn the blower back on to check for proper airflow and secure connections PERFECT FIT: Replacement model 580473001. for Ryobi RY38BP Backpack Blower, Ryobi 40 Volt Backpack Blower models RY40404NV, RY40404NVM, RY40440, RY40404. Fits models 308054129, 308054129, 309266005, 313783001, 314618001, 314618001, 527989002, 527989002, 580473001, 580473001, 591442002, 591442002, 309266005, 310816015, 310816015, 310976001, 310976001, 313723001, 313723001, 313783001, L7RTC, L7RTC-2PK, L7RTC-4PK, L7RTC-6PK, L7RTC-8PK Please note: There may be slight color difference or discrepancy in the actual product, which does not affect the use, please don't mind, thank you! Color: As Shown Material: plastic Package Contents: 1set x Replacement Bellows Flex Tube