SUNLU 4 kg Black PLA 3D Printer Filament, 1.75 mm

SUNLU 4 kg Black PLA 3D Printer Filament is a four-spool bundle of 1.75 mm filament for FDM printing. The listing describes neatly wound coils and gives recommended nozzle, bed and speed settings. Customer feedback is broadly positive about print quality but also reports clogging concerns.

At a glance

Four 1 kg spools are listed, all in black.
The listing specifies 1.75 mm filament and claims dimensional accuracy of 1.75 mm ±0.02mm.
The seller describes the filament as neatly wound and gives recommended nozzle, bed and printing-speed ranges.
The suggested settings are 200-230°C at the nozzle, 50-65°C at the bed and 50-100mm/s.

Price

£32.29Save 15%

Reference price: ~~£37.99~~

Price checked: 14 Nov 2026

View offer

Pros and cons

Pros

Four separate 1 kg spools let buyers use the bundle in smaller quantities than a single 4 kg spool.
The stated 1.75 mm diameter and dimensional-accuracy claim provide useful compatibility details to compare with printer requirements.
The listing provides temperature and speed ranges as a starting point for setup.

Cons

Customer feedback includes reports of nozzle clogging, which may interrupt printing and require troubleshooting.

Technical specifications

12 specifications

Identity
Brand	SUNLU
Model	3D Printer Filament PLA Filament 1.75mm

Dimensions and installation
Weight listed	4 Kilograms
Filament diameter	1.75 Millimetres
Spool dimensions	19.5 cm diameter, 5.9 cm width and 6.3 cm hub hole.

Materials and colour
Material listed	3D Printer Filament, Polylactic Acid
Colour listing	1kg*4 Black+Black+Black+Black

Recommended print settings
Nozzle temperature	200-230°C
Bed temperature	50-65°C
Printing speed	50-100mm/s

Manufacturer claims
Dimensional accuracy	1.75 mm ±0.02mm
Warranty listed	1 year

Who is it for?

A good fit for

FDM printer owners whose machines use 1.75 mm PLA filament and can accommodate the listed spool dimensions.
Buyers who want four 1 kg spools of black PLA rather than a single large spool.

Less suited to

Buyers whose printer requires a filament diameter other than 1.75 mm.
Buyers seeking a range of colours, since the listing describes all four spools as black.

SUNLU 4 kg Black PLA 3D Printer Filament, 1.75 mm · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 392 ratings

5 stars81%81%
4 stars6%6%
3 stars4%4%
2 stars2%2%
1 star7%7%

Customer feedback highlights good quality, smooth prints, performance and value, but also describes durability concerns and reports of nozzle clogging. Those reports matter to buyers planning longer print runs, where interruptions can be inconvenient. They are customer perceptions rather than confirmation that every spool will behave the same way. The aggregate ratings are mostly five-star, but do not explain the reported issues.

Positive themes

Feedback describes the filament as good quality and says it can produce smooth prints.
Customers also report positive performance and value for money.

Negative themes

The feedback summary includes multiple reports of nozzle clogging.

Mixed feedback

Durability feedback is mixed, with concerns appearing alongside otherwise positive reports.

Frequently asked questions

How many spools are in the bundle?

The listing gives a unit count of four spools and describes the colour configuration as four 1 kg black spools.

What diameter is the filament?

The listed diameter is 1.75 Millimetres. Confirm that your printer accepts this size before ordering.

What print settings does the listing recommend?

It recommends a 200-230°C nozzle, a 50-65°C bed and a printing speed of 50-100mm/s. Treat these as starting settings and adjust for your printer and print.

Do customers report any issues?

The supplied customer-feedback summary mentions reports of nozzle clogging alongside positive comments about smooth prints and general performance.