Feature:1. ▶ Used for the filter glass replacement of 10W optical power laser (model A10/S10/X7Pro), working with Atomstack F30 air assist(not included).2. ▶ Original Atomstack Laser Engraver Replacement, easy to install.3. ▶ What You Get: 2 x 10W Laser Engraver Filter Glass.4. ▶ Any problem, please contact our store without hesitation. Honor to serve you.Specification:Features:▶ Used for the filter glass replacement of 10W optical power laser (model A10/S10/X7Pro), working with Atomstack F30 air assist(not included).▶ Original Atomstack Laser Engraver Replacement, easy to install.▶ What You Get: 2 x 10W Laser Engraver Filter Glass.▶ Any problem, please contact our store without hesitation. Honor to serve you.Specification:Product Name: Laser Engraver Filter Glass For: 10W Optical Power Laser ModuleQuantity: 2PCSPacking List:2 x Filter GlassPackage List:2 x Filter Glass