The new EPA approved primer bulb exceeds the mandated permeation rate while maintaining Sierra's traditional look, feel, and operational characteristics. Manufactured from a unique floroelastomer compound material,which allows it to exceed the EPA's mandated 15g/m2/24hrs rating. Sierra's primer bulb meets both EPA and carb standards while providing outstanding warm/ cold weather flexibility.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov