# SUNLU Matte PLA Filament Refill, 1.75 mm, 4 kg, Black

SUNLU Matte PLA Filament Refill is a four-roll, no-spool supply of black matte PLA for compatible reusable spools. Its listed diameter and refill format suit buyers topping up a spool system, while the matte finish is intended to give prints a low-gloss look.

- [Original product page](https://bargainpostbox.co.uk/product/sunlu-matte-pla-filament-refill-175mm-4kg-black)
- [View offer](https://bargainpostbox.co.uk/visit/sunlu-matte-pla-filament-refill-175mm-4kg-black)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: SUNLU
- Model: SUNLU Refill Filament PLA Matt
- Price: 33.24 GBP
- Previous price: 40.99 GBP
- Discount: 19%
- Price checked: 2026-11-12T18:39:39.561Z
- Rating: 4.2 / 5
- Reviews: 199

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- No-spool format is presented for reusable spool refilling.
- The listing claims compatibility with Bambu Lab AMS, ELEGOO and MarsWork refill filament.
- Matte, low-gloss surface is described as having a frosted texture that can conceal layer lines.
- The manufacturer says the filament is vacuum sealed with a desiccant pack.

## Pros

- Four separate 1 kg refills provide 4 kg total in one colour.
- The 1.75 mm diameter and stated +/-0.02 mm tolerance give useful sizing details for checking printer compatibility.
- Refill format avoids buying a new spool when you already have a compatible reusable one.

## Specifications

### Identity
- Brand: SUNLU
- Model: SUNLU Refill Filament PLA Matt
### Dimensions and installation
- Weight listed: 4 Kilograms
### Materials and colour
- Material listed: PLA Matte Filament
- Colour: Black\*4
- Filament diameter: 1.75 Millimetres
### Refill details
- Roll quantity and mass: 4 rolls of 1kg PLA refill, 4kg in total.
- Spool-hole diameter: 82.5mm \(3.22inch\)
- Dimensional accuracy claim: +/-0.02 mm

## Before you buy

- The listed specifications give a 1.75 mm diameter, while the feature text describes it as PLA+ despite the product identity and material field specifying matte PLA. Compatibility is claimed for named refill systems, but buyers should confirm fit with their spool and printer before ordering.

## A good fit for

- 3D-printing users who want several kilograms of black matte PLA.
- People already using a compatible reusable spool or a named refill system.
- Projects where a low-gloss, frosted-looking finish is preferred.

## Less suited to

- Buyers who need filament supplied on conventional spools.
- Anyone seeking a colour other than black or an explicitly verified fit for a spool system not named in the listing.

## Customer feedback

Customer feedback is favourable about filament quality, print results and value, while experiences with reliability, tangling and colour are mixed. For someone buying four rolls of black matte PLA, those mixed reports make consistency and feed handling relevant considerations, particularly across a larger quantity. The listing also claims neat winding, but that is a manufacturer statement rather than proof that every roll will feed without tangles.
- Positive themes: Customers describe the filament quality and print results positively.
- Positive themes: Customers mention value favourably.
- Mixed feedback: Feedback on reliability is mixed, with some reports of consistent results and others describing issues.
- Mixed feedback: Feedback on tangling is mixed, including a report of tangling.
- Mixed feedback: Colour feedback is mixed, including comments about differing shades of grey.

## Frequently asked questions

### How much filament is included?
The listing describes four 1 kg refill rolls, 4 kg in total.
### Is this filament supplied on spools?
It is described as a no-spool refill for reusable spools, rather than a conventional spool product.
### Which refill systems are named as compatible?
The listing claims compatibility with Bambu Lab AMS, ELEGOO and MarsWork refill filament. Confirm the fit for your specific spool setup.
### What finish and colour does it have?
It is listed as black matte PLA, with a claimed low-gloss, frosted finish.

## Alternative options

- [ELEGOO Matte PLA 3D Printer Filament 1.75mm Black 4KG, Matte Finish \| High Precision +/-0.02mm, 4pcs 1kg Spools \(2.2lbs\), Fits for Most FDM 3D Printers, Elegant Surface, No Gloss, Soft-Touch Feel](https://bargainpostbox.co.uk/visit/sunlu-matte-pla-filament-refill-175mm-4kg-black)
- [ELEGOO PLA+ 3D Printer Filament 1.75mm Black 4KG \| PLA Plus Tougher and Stronger, Dimensional Accuracy +/- 0.02mm, 4 Pack 1kg Cardboard Spools, Fits for Most FDM 3D Printers](https://bargainpostbox.co.uk/visit/sunlu-matte-pla-filament-refill-175mm-4kg-black)
- [ELEGOO PLA Basic Refill 3D Printer Filament 1.75mm Black 1KG \| 3D Printer Filament No Spool, Dimensional Accuracy +/- 0.02mm, 3D Printing PLA for Reusable Spool Refilling, Vacuum-Sealed](https://bargainpostbox.co.uk/visit/sunlu-matte-pla-filament-refill-175mm-4kg-black)
- [ELEGOO PLA 3D Printer Filament 1.75mm Black/White 4KG, Precision Wound \| Dimensional Accuracy +/- 0.02mm, 4pcs 1kg Cardboard Spools\(2.2lbs\) 3D Printing Filament, Fits for Most FDM 3D Printers](https://bargainpostbox.co.uk/visit/sunlu-matte-pla-filament-refill-175mm-4kg-black)
- [ELEGOO PLA+ 3D Printer Filament 1.75mm Black 1KG \| High Toughness PLA Plus Filament, Dimensional Accuracy +/- 0.02mm, 1kg Spool\(2.2lbs\), Fits for Most FDM 3D Printers](https://bargainpostbox.co.uk/visit/sunlu-matte-pla-filament-refill-175mm-4kg-black)
- [Kingroon PLA Filament Bundle 1.75mm for 3D Printer, Filament 3D Printing Materials, 10KG 3D Filament Dimensional Accuracy ±0,02mm,3D Printer Filament PLA with 6\*Single 4\*Tri Colour](https://bargainpostbox.co.uk/visit/sunlu-matte-pla-filament-refill-175mm-4kg-black)
- [ELEGOO Matte PLA 3D Printer Filament 1.75mm Black 2KG, Matte Finish \| High Precision +/-0.02mm, 2pcs 1kg Spools \(2.2lbs\), Fits for Most FDM 3D Printers, Elegant Surface, No Gloss, Soft-Touch Feel](https://bargainpostbox.co.uk/visit/sunlu-matte-pla-filament-refill-175mm-4kg-black)
- [ELEGOO Rapid PLA Plus 3D Printer Filament 1.75mm Black 1KG, Up to 600mm/s \| PLA+ High Speed Printing, Dimensional Accuracy +/- 0.02mm, 1kg Cardboard Spool\(2.2lbs\), Neatly Wound, No Bubbles, Tougher](https://bargainpostbox.co.uk/visit/sunlu-matte-pla-filament-refill-175mm-4kg-black)
- [DEEPLEE Matte PLA Filament 1.75mm Matte Black 1kg\(Plastic Spool\) \| PLA Matte finish and Lovely smooth , Accuracy±0.02mm, Soft colors Perfect for printing toy figures, Fit for fdm 3d priners](https://bargainpostbox.co.uk/visit/deeplee-matte-pla-filament-black-1-75mm-1kg)
- [ELEGOO PLA 3D Printer Filament 1.75mm Grey 1KG, Precision Wound \| Dimensional Accuracy +/- 0.02mm, 1kg Cardboard Spool\(2.2lbs\) 3D Printing Filament, Fits for Most FDM 3D Printers](https://bargainpostbox.co.uk/visit/sunlu-matte-pla-filament-refill-175mm-4kg-black)
- [ELEGOO PLA+ Filament 1.75mm Bundle 4KG, Tough PLA Plus 3D Printer Filament Dimensional Accuracy +/- 0.02mm, 4pcs 1kg Spool\(2.2lbs\) Fits for Most FDM 3D Printers Black/White/True Red/Dark Blue](https://bargainpostbox.co.uk/visit/sunlu-matte-pla-filament-refill-175mm-4kg-black)
- [ELEGOO PLA+ 3D Printer Filament 1.75mm Brown 1KG \| PLA Plus Tougher and Stronger, Dimensional Accuracy +/- 0.02mm, 1kg Cardboard Spool\(2.2lbs\), Fits for Most FDM 3D Printers](https://bargainpostbox.co.uk/visit/sunlu-matte-pla-filament-refill-175mm-4kg-black)

## Add-ons

- [ELEGOO Matte PLA 3D Printer Filament Black 2KG 1.75mm, Matte Finish \| Dimensional Accuracy +/- 0.02mm, 2pcs 1kg Carboard Spoo](https://bargainpostbox.co.uk/visit/elegoo-matte-pla-filament-black-2kg)
- [ELEGOO Rapid PLA Plus 3D Printer Filament 1.75mm Black 4KG, Up to 600mm/s \| PLA+ Bundle High-Speed Printing, Dimensional Accu](https://bargainpostbox.co.uk/visit/sunlu-matte-pla-filament-refill-175mm-4kg-black)

## Images

![SUNLU Matte PLA Filament Refill, 1.75 mm, 4 kg, Black — 1](https://bargainpostbox.co.uk/i/Gti3AVoskxTkqWHN5HPfuvBgPfBDIUCn_RgnC8dpH8K7oshGclO778Ui3badqvmLYx_73q5DCbRiHLib4A_fm1nPHHUaytc94cD1vb88NhLOB78K9jc1XX_o.jpg)

![SUNLU Matte PLA Filament Refill, 1.75 mm, 4 kg, Black — 2](https://bargainpostbox.co.uk/i/rXH2ntIcYApP254SmYJn5ossSql9mzX6xxNR7rCHTgXyuVsbai5XMFY54FKPUaVfoN_17jGFXQ8rTmd4Lur2ptIq8eZhL5uMpzOoxnI_RNTu73Ii2xqKRCzB.jpg)

![SUNLU Matte PLA Filament Refill, 1.75 mm, 4 kg, Black — 3](https://bargainpostbox.co.uk/i/1bXoni6bj4oYICb_xczMjdO7lIgnK81S3m1Fn4xEVEiQSKADJOGL6W_W0mJdQHjVhmlbqx01Vmdxe1PR4GSwgun7aEyPhBalNAuADMseubGs3GZOA5NFuzjd.jpg)

![SUNLU Matte PLA Filament Refill, 1.75 mm, 4 kg, Black — 4](https://bargainpostbox.co.uk/i/zqjIg_fP187P_rOUiXH0j9LZq1G9nWEsUKO2rZHrQOLHZ3w0LY6RdrrqwWkoiOep02es2HQ150T0FgVcj8LSFQFMQd_WZMGNjML9uvRkIuBhEt7wNQ1b3eou.jpg)

![SUNLU Matte PLA Filament Refill, 1.75 mm, 4 kg, Black — 5](https://bargainpostbox.co.uk/i/0pA06gF4TDOPythc90zv2faGP4EYBHND6IWHUdiBHvwLsAYfxPNbsbeDyUomgbtTMYVzOPGNcxd9dZPmDKejsXvLBAnCP5aMUruEzJVeRxNNlWWvTgiw-Qsp.jpg)

![SUNLU Matte PLA Filament Refill, 1.75 mm, 4 kg, Black — 6](https://bargainpostbox.co.uk/i/O7xvXapJrLjDyXP2zksFHO3HWB_o6vHlF8KdIvmPNXinKF64o64M4vXpMAxu4F8C5leDPXL6SGFpVjBS5YUvLUrLcZuXeu1N5-3MyLNjB1Eg7KMkuCRjDery.jpg)

![SUNLU Matte PLA Filament Refill, 1.75 mm, 4 kg, Black — 7](https://bargainpostbox.co.uk/i/o0YIwSPNnV9uPrJVsD0ieGZtjtUfR6kVG6wC-edVik7Xn0kkkjsiJdUpFwBmYvLbfXHHvXhgSyaFiHcj_7QmIDmcgFTCgz73P5CcbWXsVdR6goECitZeUzYf.jpg)