Vacuum-Sealed 3D Printing Filament Kit, 20 Packs Lightproof Storage Bags with Va

Patented Sealing System: Plastic one-way valve maintains -60KPa for 72hrs (no leaks). We do not accept P.O. Boxes. Material Type Pla, Tpu, Abs, Asa, Petg, Pc, Pa, Dp.

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