Toilet Vacuum Breaker Kit - 385316906 The Vacuum Breaker is a anti-siphon check valve, ensuring no back flow of dirty water into your water lines.  Replaces Vacuum Breaker On SeaLand, Traveler, VacuFlush.  For Use On Toilets Without Hand Sprayer Option. *Sold as an Individual Legacy # 385316906 Warning [https://productimageserver.com/prop65/6pt.png]WARNING: This product can expose you to chemicals including ARSENIC which is known to the State of California to cause cancer or other reproductive harm. For more information go to P65Warnings.ca.gov [http://P65Warnings.ca.gov]. This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.