Wax Guards on August 20, 2015 | Marketing Team Guards Protective wax barrier for SCL2, SE102MPA, E2c, and QuietSpot versions. Product Details These self-adhesive mesh screens act as a protective barrier preventing wax accumulation in the nozzle of select earphones. Place wax guards directly on the nozzle of your earphones before using them. For use with E2 and E2c Sound Isolating Earphones, SE102MPA, I2c Earphone + Moble Headset, and QuietSpot Boom and Inline models. Note: Not for use with other models of Shure Sound Isolating Earphones, SE Models, or mobile headsets.