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SainSmart Official via Amazon [amazon.com] has 2.2-lbs SainSmart GT-3 1.75mm Matte PLA 3D Printer Filament (Gray or Teal) for $ 13.99. Shipping is free with Prime or on orders $ 35+.
2.2-lbs SainSmart GT-3 1.75mm Matte PLA 3D Printer Filament (Gray or Teal) $13.99