Which is better for a beginner?

eSUN. It is vacuum sealed, has profiles in most slicers, and buyers report good adhesion with minimal stringing once the roll is dry. The California Filament roll is cheaper but needs a temperature tower first.

Is the California Filament roll worth the savings?

At $9.99 versus $13.99 at Amazon as of November 4, 2026, you save $4 per kg. That is worth it if you will spend 20 minutes calibrating temperature; otherwise the eSUN roll is the easier start.

Which handles heat and outdoor use better?

Both are PETG, so heat resistance is similar. California Filament buyers specifically report it holding up in outdoor and heat applications. Keep in mind PETG softens well below PLA's stiffness ceiling but above PLA's heat limit.

Which is better for a Bambu printer?

eSUN buyers report easy loading on the A1 AMS lite. California Filament refills are made to fit Bambu spools, which saves plastic if you already own empty spools.

eSUN buyers report minimal stringing once the filament is dry. California Filament buyers report noticeable stringing even at the best temperature, so dry the roll and lower print speed.

Which lasts longer on the spool?

Both are PETG and absorb moisture, so store either in a dry box. eSUN ships with a desiccant bag; the California Filament roll does not mention one.

Black PETG Filament 1.75mm 1kg vs eSUN PETG

Both are 1.75mm black PETG in 1kg rolls, so the choice comes down to price and consistency. The California Filament black is $9.99 at Amazon as of November 4, 2026, and the eSUN PETG is $13.99 at Amazon as of November 4, 2026. Buy the California Filament roll if you want the lowest price and a glossy finish; buy eSUN if you want a widely used brand with a long track record and a sealed desiccant bag.

Today the Black PETG Filament 1.75mm 1kg costs $4.00 less at its best price.

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