VIVOSUN 4 Inch 8 Feet Non-Insulated Flex Air Aluminum Ducting for HVAC Ventilation w/Two 4 Inch Stainless Steel Clamps 4''8ft sold2025 providing the good resisitance to

VIVOSUN 4 Inch 8 Feet Non Insulated Flex Air Aluminum Ducting for HVAC Ventilation w Two 4 Inch Stainless Steel Clamps 4''8ft sold2025 providing the good resisitance to providing the good resisitance to corrosion and high temperature This set is organized by size type in a transparent storage case for quick access and protection 【Package Included】 8mm 30pcs 10mm 30pcs 12mm 30pcs 14mm 30pcs 16mm 20pcs 18mm 20pcs 20mm 20pcs 22mm 20pcs 24mm 20pcs 26mm 20pcs 28mm 15pcs 30mm 15pcs 32mm 15pcs 34mm 10pcs 36mm 5pcs 【Package Quantity: 300pcs】 This set is organized by size in a transparent storage case for quick access and protection engagement