High power ECO2/JK 300W CO2 Sealed Laser Tube

JK Laser
(You save $1,400.00 )
(1 review)
25.00 (in)
65.00 (in)
80.00 (in)
Current Stock:
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ECO2 300W CO2 laser tube with G.S.I (UK) technology acquired by the JK laser

With this laser installed and a proper lens, you can cut through 40mm acrylic at 2mm/s!

GSI is well known for making high-quality long last CO2 laser tubes in the laser industry. LightObject is one of the distributors to distribute its laser tube in the USA.

It is a perfect replacement for the same power or length CO2 Laser tube. It is a great idea to use as an upgrade with a compatible power supply also. 


  • Power: 300W, 360Wmax (380W peak)
  • Triggering Voltage: 30KV
  • Operating Voltage: 26KV
  • Current: 28~30mA (34mA max)
  • Length: 77inches/ 1950mm
  • Width: 8.2inches/ 206mm
  • Height: 6.5inches/166mm
  • Triggering Current: 9mA (At which the laser beam is smooth and round shape)
  • Two Laser power supplies included
  • Warranty: 15 months

Please note that an 1600-watt (or higher) chiller is required for warranty purposes. LightObject is not responsible for damages caused due to negligence.

Recommend: LightObject LO-X2700 water chiller

Why buy Laser Tubes from LightObject?

1) We're located in USA (Sacramento, California). No U.S. Customs issues

2) We provide great tech support. We are knowledgeable, and we know what we're selling.  Check out our support forum at LightObject.info.  There you can ask us questions, tap into our vast customer network for support and visit our FAQ section as well!

3) Fast turn around time for tube replacement

4) Competitive pricing because we deal directly with the manufacturers

5) High quality and professional packing

6) We test each tube with industry grade laser power meter before it is shipped from California


Default shipping method is Freight.

Additional shipping cost will be charged outside the continental 48 states in the US. Please contact us for shipping cost before placing the order. 

Courtesy reminder

Any damage that happens on the shipment; the buyer must report to us within 3 business days after receiving it. If failed to do so; this will result in the rejection of all claims. Customers must file a report to the carrier and keep all shipping materials handy for inspection. We're not responsible for any internal cracked after receiving, any damage caused during transportation covered by insurance.  The buyer is responsible for the shipping cost of a replacement tube if the order date is out of 30 days. Warranty acceptance or denial is subjected to the decision made by the tube manufacturers. Lightobject is not responsible for a denial under any circumstance.


  • 5

    Posted by Jess on Apr 18th 2024

    I'm loving this laser tube. It took some retro fitting to get it into my machine, but lots of power. I'm very pleased