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Amazon.com: Lightobject 12mm/15mm/18mm/20mm Laser Head with Air Assisted Connector. Ideal for K40 Machine : Sports & Outdoors
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Leye Cloudray 12/18mm FL50.8 & 16mm FL25.4 CO2 Laser Head with Air Assist for K40 Laser Engraver Cutter - Walmart.com
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Air Assist / Smoke Assist / Air Nozzle for K40 Lasercutter by mathiaspl20 | Download free STL model | Printables.com
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