521002, L-gasket, 18" (457.2mm), 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                                          .25lb (.11kg)

Nominal size                               18" (457.2mm)

Nominal Internal Diameter    17.25" (438.15mm)