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YOOPAI refills (no spool) filament, ranked by £/kg

Every listing of YOOPAI refills (no spool) filament we track on Amazon UK, ranked by £/kg.

Best £/kg Biggest discount Lowest price Best rated Newest

By material: PLA (2,832) PETG (928) PLA+ (753) TPU (276) ABS (181) ASA (130) PETG-CF (59) Nylon (41) PC (31) PLA-CF (17)

By finish (YOOPAI): All finishes Silk (4) Matte (1) Dual & triple colour (3) Rainbow & gradient (3) Translucent (4) Refills (no spool) (11)

11 listings tracked, 3 on offer right now.

Product	Material	Weight	Rating	Price	Per kg	Deal
PETG Filament 1.75mm 2025 Upgrade Spool Compatible with Bambulab Refill Filame	PETG	10 kg refill	3.7 out of 5 (7 Amazon ratings)	£105.09	£10.51	61% below
PETG Filament 1.75mm - 4kg(8.8lbs) SUNLU PETG 3D Printer Filament, Reusable Sp	PETG	4 kg refill	4.5 out of 5 (867 Amazon ratings)	£43.09	£10.77	—
PETG Filament 1.75mm - 2kg(4.4lbs) SUNLU PETG 3D Printer Filament, Reusable Sp	PETG	2 kg refill	4.5 out of 5 (868 Amazon ratings)	£30.01	£15.01	—
PETG Filament 1.75mm - 4kg(8.8lbs) SUNLU PETG 3D Printer Filament, Reusable Sp	PETG	4 kg refill	4.5 out of 5 (865 Amazon ratings)	£89.57	£22.39	—
PETG Filament 1.75mm - 4kg(8.8lbs) SUNLU PETG 3D Printer Filament, Reusable Sp	PETG	4 kg refill	4.5 out of 5 (861 Amazon ratings)	£107.20	£26.80	—
PETG Filament 1.75mm 2025 Upgrade Spool Compatible with Bambulab Refill Filame	PETG	1 kg refill	4.5 out of 5 (64 Amazon ratings)	£36.18	£36.18	—
PETG Filament 1.75mm 2025 Upgrade Spool Compatible with Bambulab Refill Filame	PETG	1 kg refill	4.1 out of 5 (35 Amazon ratings)	£37.41	£37.41	—
PETG Filament 1.75mm - 1kg(2.2lbs) SUNLU PETG 3D Printer Filament, Reusable Sp	PETG	1 kg refill	4.6 out of 5 (272 Amazon ratings)	£39.04	£39.04	—
PETG Filament 1.75mm - 1kg(2.2lbs) SUNLU PETG 3D Printer Filament, Reusable Sp	PETG	1 kg refill	4.6 out of 5 (273 Amazon ratings)	£39.30	£39.30	—
PETG Filament 1.75mm 2025 Upgrade Spool Compatible with Bambulab Refill Filame	PETG	1 kg refill	4.5 out of 5 (64 Amazon ratings)	£57.19	£57.19	—
PETG Filament 1.75mm - 2kg(4.4lbs) SUNLU PETG 3D Printer Filament, Reusable Sp	PETG	2 kg refill	4.5 out of 5 (861 Amazon ratings)	—	—	—

Refills (no spool) filament by brand

Guides

Bed adhesion: what actually works
Glue sticks, hairspray, rafts, brims and expensive surfaces — an honest ranking of what fixes prints coming loose, starting with the free fix that solves most cases.
Do you need a filament dryer?
Wet filament is real and ruins prints, but a dedicated dryer is not the only answer. How to tell if moisture is your problem, and what to do about it.
Filament storage: dry boxes, vacuum bags and desiccant
Keeping filament dry is cheaper than drying it out. What actually works, what desiccant to use, and why the little sachet in the bag is already spent.
First layer calibration, properly
Nearly every adhesion problem and half of all print failures start in the first layer. How to set Z offset by eye, and what a good first layer actually looks like.

Best-selling Filament by year — which actually sold best, going back several years, ranked by sales position rather than opinion.