Creality PETG Filament Refill 1.75mm 4kg Pack - Hubless Eco Refill

In this review the Creality PETG Filament Refill is assessed as a practical, eco-focused option for users of Bambu Lab compatible printers and reusable spool systems. The bottom line: this four-pack of hubless, black PETG is best for makers who want consistent, tough filament and reduced spool waste. The review highlights dimensional accuracy, drying and packaging, and compatibility notes so readers can decide if this PETG refill meets their reliability and sustainability needs.

Key Features

• Hubless design: Fits Bambu Lab reusable spools and similar detachable spools to cut disposable plastic spool waste.
• Toughness-enhanced PETG: Blends PLA and ABS traits to reduce cracking and warping for stronger functional parts.
• Dimensional accuracy: 1.75mm diameter with a tight tolerance of +/- 0.03mm ensures steady feeding and fewer extrusion issues.
• Dry, sealed packaging: Vacuum sealed and dried to limit moisture so clogging or bubbling during printing is unlikely.
• Tangle-free winding: Mechanically wound to keep filament neat and reduce line snapping or tangles during long prints.
• Recommended temperature range: Prints best around 220-250C with a bed temperature of 70-80C for good adhesion and layer bonding.

Who It's For

The Creality hubless PETG refill is aimed at hobbyists and small workshop users who run Bambu Lab A1/A1 Mini/X1/X1C/X1E/P1 series printers or other machines using a hubless or detachable spool system. It suits makers who print functional parts and need a filament with improved toughness and consistent diameter to avoid mid-print failures.

Users who require specialty filaments like flexible TPU, high-temperature nylon, or specific color-matched runs should look elsewhere, since this product is a standard black PETG refill focused on toughness, dimensional control, and spoolless sustainability rather than specialty properties.

Pros & Cons

Pros

• Hubless format reduces single-use spool waste and pairs neatly with reusable spool systems.
• High dimensional control of 1.75mm +/-0.03mm promotes reliable extrusion and layer consistency.
• Pre-dried and vacuum sealed to minimize moisture-related clogging and bubbles during printing.
• Mechanically wound to reduce tangles and filament breakage on long prints.

Cons

• Only available in black in this four-pack, so color options are limited for aesthetic projects.
• Not a specialty filament; users needing exotic materials or finishes will need a different product.

Specifications

Our Verdict

The Creality PETG hubless refill is a smart value for users of Bambu Lab compatible printers who want tougher PETG with reliable diameter control and eco-friendly spoolless operation. It delivers consistent feeding, reduced moisture problems, and less waste, making it a solid choice for practical prints and functional parts without paying extra for specialty colors or materials.

Frequently Asked Questions

Will this filament work with Bambu Lab A1 series printers?
Yes, the hubless format is designed to fit Bambu Lab A1, A1 Mini and compatible reusable spool systems.

What temperature should I print at?
Use 220-250C for the nozzle and 70-80C for the build plate for best results with this PETG.

Is moisture a concern with this filament?
The filament is dried and vacuum sealed to reduce moisture, which helps prevent clogging and bubbling during printing.