O-ring, 12" (304.8mm), FKM Elastomer

• Fluorocarbon-based fluoroelastomer (FKM / FPM) material 
• Available in three standard sizes 
• Use with stainless steel Bell Jars and stainless steel Feedthrough Collars 

Material                                      Fluorocarbon-based fluoroelastomer (FKM / FPM) 

Weight                                        .125lb (0.057kg)

Nominal size                              12" (304.8mm)

Nominal Internal Diameter     18.5" (469.9mm)