Carbon Stereoxide (stylized as CarbonStereoxide) is the seventh and final studio album by Filipino alternative rock band Eraserheads. Released in March 2001 by BMG Records (Pilipinas), Inc., it is the band's last album featuring Ely Buendia as lead singer. Carbon Stereoxide was first released in both CD and cassette formats, and included a bonus VCD featuring the making of the music video for "Maskara" video as well behind-the-scenes footage and interviews. Initial copies also came with a promotional Eraserheads "masks" set.