Silicone Tube, Platinum Cured Silicone, Inner Diameter 6.4mm, Outer Diameter 11.2mm, Thickness 2.4mm, 15M, Transparent, STT Silicone Hose, Air Pump, Clear Pipe Silicone (6.4mm x 11.2mm 15M) - Material: Platinum Silicone - Color: Transparent - Features: High flexibility, stable performance, hydrophobic inner surface - Applications: Pharmaceuticals, food, beverages, vaccines, etc. - Common Uses: Pharmaceutical pump tubing, liquid transport (e.g., water for injection, protein solutions) This is a new, unused item, but please understand that it has been stored at home. Thank you for your purchase. #Ymama Products♪ 25-1s