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
Amazon.com: 2.85mm(3mm) High Temperature Dissolvable Filament 2.85mm 500g Spool - Polymaker PolyDissolve S2 Warm Alkaline Water Soluble Filament for ABS, ASA & PC 2.85 3D Printing Filament : Industrial & Scientific
eSUN PVA Water Soluble 3D Filament 0.5kg | Cubic Technology
High Impact Polystyrene (HIPS) Dissolvable Filament
High Impact Polystyrene (HIPS) Dissolvable Filament
Ultimaker PVA (Dissolvable) Filament - 2.85mm – Print Your Mind 3D
Ultimaker 2.85mm Natural PVA filament - 350g: Buy or Lease at Top3DShop