To all of our valued Coherent K150 and K250 Co2 laser system users. Photovac Laser has Coherent D64 D84 OEM Performance Package power modules for immediate exchange. Our modules are 100% refurbished with NEW RF boards and replacement power supplies. All power modules are fully tested on K250 laser Co2 laser systems and comes with our 6-month warranty. Our modules are a exclusive premium exchange for customers who’s power module dies in the middle of production and requires immediate return to production. Please contact our service sales department for further information.