This is 8mmx12mm silicon flex tube that is ideal for CO2 laser cooling. It works great for most CO2 laser tubes. The tube is strong and flexible. With it's elasticity characteristic, it makes it unique for the Co2 laser water cooling system as cornering is necessary.

Specification:

- Size: 8mm x 12mm (inner:8mm, outer: 16mm) 5/32" x 1/2"

- Material: silicon

- Color: semi-transparent

-Laser tube is not included.