Ultra-smooth inner surface reduces particle entrapment. Ideal for food and beverage transfer. Minimal extractable maintains fluid integrity. Up to three times smoother than other silicone tubing. FDA 21 CFR 175.300 compliant. Free technical application support available to assist with tubing selection. Tygon® SPT-3350 sanitary silicone tubing features a platinum curing process designed to meet the demanding sanitary standards of food and beverage industry. To improve the flow of fluids, the inner surface of the tube is designed to reduce the risk of particle entrapment and microscopic build-up during fluid transfer. The smooth inner surface aids in complete cleaning and sterilization. The tubing is made from 100% synthetic virgin silicone. No plant or animal products or by-products are used in the manufacture of, nor intentionally added to the tubing. They are produced in an ISO 14644 Class 7 clean room facility from USP 88 Class VI and FDA 21CFR approved raw materials in accordance with cGMP principles.