40W Laser Tube For CO2 Laser Engraver ▲ Replacement or refund of

▲ Replacement  or refund of defective or damaged products can only be returned in  exchange for the exact same product

You will find that the water level in the chiller has dropped

it's easy to get the oil bubble  out

and let the machine run without load for a  while

reduce temperature loss

40W Laser Tube For CO2 Laser Engraver ▲ Replacement or refund ofBrand New 40W CO2 Laser Engraving Machine Laser Tube Laser tube is one of the essential parts of laser equipments. This laser tube is compatible with the most of popular laser engraver ! Cole series, redsail, rabbit, gnlaser,shenhuilaser, artsign, wklaserIEHK series, EL series, Skylaser series and so on. Power output(W)40 Wavelength: 10600nm Lengthmm700 Cooling System: Water Cooling. Triggering voltage(KV)22 Operating voltage(KV)15 Operating