BOCI Lower Protective Window Cartridge
https://www.fabtechshop.com/shop/dp-m-q0135aa-boci-lower-protective-window-cartridge-3247
https://www.fabtechshop.com/web/image/product.template/3247/image_1920?unique=0786a16
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This product is compatible with the following laser head models:
- BLT310-150
- BLT310-200
- BLT310T-200