ONE NEW O-RING FOR ARB RDCKA COMPRESSOR This listing is for (ONE) O-Ring SORRY NO INTERNATIONAL SHIPPING AT THIS TIME!!! Features: Made of Viton (fluorocarbon elastomer) for use with a variety of chemicals and fuels Round cross-section to provide a seal between cylindrical overlapping surfaces Can be used across a wide temperature range from -15 degrees F (-26 degrees C) to 400 degrees F (205 degrees C) Durometer (hardness) of 75A for resistance to penetration Meets standards defined by Aerospace Standard AS568A USED ON OLDER MODEL ARB COMPRESSOR REFERENCE ONLY!!! If your compressor looks like this.