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Amazon.com: FONLAND K40 CO2 Laser Head with Air Assist for K40 Laser Engraver Cutter Engraving Machine, Lens Dia 12/18mm FL50.8mm & Dia 16mm FL25.4mm Mirror 20mm
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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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3D Printable Air Assist Nozzle for DC-KIII, K40 Chinese 40 watt Laser Cutter / Engraver by Mark Fuller
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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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Amazon.com: k40 Laser Head with Air Assisted Connector 12mm/16mm/18mm for K40 Laser Engraving air Engraver Machine
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