IDEX Flangeless Ferrule is easy to use and eliminates the need to flanged tubing. It is manufactured from Tefzel (ETFE) offering excellent solvent resistance. This reusable ferrule is included Flangeless Fitting assemblies for 1/16OD tubing and can also be ordered as a replacement part. It also comes in blue and natural color. It is available in a natural color 10 Pack and in red.