WATERUN SILICONE REPLACEMENT TUBING FOR ELECTRICWATER PUMP DISPENSER PACKAGEINCLUDES: Food Grade Silicone Tubing x 4 MATERIAL: BPAFree Silicone PACKAGE: Packed in retail package sealed by manufacturer. Warming Tips: Can be sanitized with water steam or boiling water. Recommend to change the silicone tubing every two months for the health of your family.