EDGE 21 Gas Lens 920 Kit #21  with Diffuser (choose size 1/16 or 3/32 or 1/8 or 5/32 )
A pyrex welding cup kit featuring the EDGE #21  gas lens for better gas coverage allowing you to reach more places than ever.
This kit contains the patented EDGE Gas Lens 920 adapter,(2) thermal spacers,(2) Gas Lens 920 O-ringseals for a double O-ring seal, and (2) EDGE #21 glass cups with diffusers.