Brand
A dryer and two spools that print their numbers
The S1 Plus gives its 35–55 °C range, a 1–99 hour timer, a fan and a feed-through for printing while drying. Its 55 °C ceiling suits PLA, PETG and TPU, and the listing names only those.
The PETG publishes nozzle, bed and speed settings; the PLA+ publishes its spool diameter, width and hole to the millimetre. Both give ±0.02 mm.
Moisture protection on the PLA+ page and temperatures on it; desiccant on the PETG page; and a humidity reading on the dryer.
35–55 °C · timer 1–99 h · built-in fan · prints while drying · 2 inch LCD showing temperature and time · under 10 dB stated
A single-box filament dryer with an adjustable 35 to 55 °C range, a 1 to 99 hour timer and a built-in fan, sized for common 1 kg spools and able to feed the printer while drying.
Best for: A PLA, PETG or TPU user who wants one spool kept dry while it prints.
≈ $32 / £25 / 40 €
A 1 kg spool of black SUNLU PETG in 1.75 mm with a ±0.02 mm tolerance, whose listing recommends a 220–230 °C nozzle, a 60–70 °C bed and speeds from 40 to 600 mm/s, in airtight vacuum packaging.
Best for: A first PETG spool, printed from the settings on the listing.
A 1 kg spool of white SUNLU PLA+ in 1.75 mm with a ±0.02 mm tolerance, on a spool whose diameter, width and hole size are all published, wound by machine and inspected by hand.
Best for: Everyday PLA printing on an FDM printer whose spool holder needs checked dimensions.
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