Amazon.com: 3D Printlife E PVA: Enhanced PVA, 1.75mm Natural, Water Soluble Support 3D Printer Filament, Dimensional Accuracy < +/- 0.05 mm (500g) : Industrial & Scientific
MH Build Series PVA Filament - 1.75mm (0.5kg) | MatterHackers
PVA Dissolvable - Pro Series Filament - 3DMaker Engineering
1.75Mm PVA Filament 0.5Kg for 3D Printers, Natural | eBay
Amazon.com: eSUN Water Soluble PVA Filament 1.75mm, 3D Printer Filament PVA, 0.5KG Spool 3D Printing Filament for 3D Printers, Natural : Industrial & Scientific