Uxcell Silicone Tube, 7Mm Id, 9Mm Od, 16.4', 5 Meter Flexible, For Pump Transfer Product Details This soft, flexible tubing is designed for a variety of pump and transfer applications. It is made of silicone rubber which is nonreactive, flexible, and resistant to high temperatures. The tubing can withstand temperatures from -76 to +428F. The thickness of tube = ( OD - ID ) / 2 Uses: Siphoning draining; Water/oil change; Machinery connecting pipe; Electrical equipment, such as the casing; Silicone rubber tube - will withstand repeated use and for visual inspection of fluids. Size: 7x9mm / 0.28"x0.35"(IDxOD); Length: 5M(16.4'); Wall Thickness: 1mm(0.04 ") Operating Temperature: -76 to +428F; Hardness: 65 Degree; Good electrical and weather ability properties - resists u.V., ozone, gases, and moisture. Silicone tubing - great for fluid handling, peristaltic pumps, siphoning, draining, aquaponics and water/oil change, etc. Note: Silicone tube is much softer than pvc tube or nylon tube Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.