eSUN 3D Printer Filaments: 2-Pk 1kg PLA+ (Various) + 1kg Carbon Fiber PLA (Brown) $29.60 + Free Shipping

eSun 3D Printer Filaments: 2-Pk 1kg PLA+ (Various) + 1kg Carbon Fiber PLA (Brown) $29.60 + Free Shipping. Thumb Score: +17. eSun via Amazon has a promo of a select free roll when you buy select filament. Add the Carbon Fiber roll to your cart (Only works with brown). Add a bundle from this page to your cart. Discount will be shown at checkout making the Carbon fiber roll free with purchase. The cheapest option I found from the promotional page was this bundle of PLA+ (1x Black / 1x Gray).