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PVA Filament Water Soluable 1.75mm & 3.0mm – WANHAO
MH Build Series PVA Filament - 1.75mm (0.5kg) | MatterHackers
Neofil3D Transparent M-PVA 1.75mm – Buy at Makershop3D.com
Amazon.com: Polymaker PVA Filament 1.75mm, 750g Water Soluble Filament Support for PLA - PolyDissolve S1 PVA Dissolvable Filament 1.75mm Support Material for PLA 3D Printer Filament : Industrial & Scientific
PMMA-1004-001: PVA filament - natural - 1.75 mm - 750 g at reichelt elektronik