Home Collections Comgrow SH03 4-Spool Dual Zone Filament Dryer Box

Comgrow SH03 4-Spool Dual Zone Filament Dryer Box

Name: Comgrow SH03 4-Spool Dual Zone Filament Dryer Box
Brand: Creality 3D
Price: 109.0 USD
Availability: InStock
Rating: 5.0 (1 reviews)

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Note: Comgrow and Sovol are sister brands. Identical quality and specs, official direct support. (30-Day Easy Returns | Official 1-Year Warranty)

Large-Capacity Independent Dual Chambers
Stores up to 4 spools (2+2 x 1KG). Independent rotating modules, filament output tubes, and separate temperature controls per chamber allow simultaneous drying of different materials (PLA, ABS, PETG, TPU, ASA, PA, PC).

200W + 200W PTC Heating | Max 185℉ (85℃)
Dual 200W PTC modules deliver rapid 50℃ heat-up with adjustable 45–85℃ range. PTC technology ensures low thermal resistance, high efficiency, and self-regulating safety—no burn or fire risks even under prolonged use.

Automatic Drying Mode
Auto mode activates drying when humidity exceeds preset threshold. After humidity drops below threshold, a 30‑minute countdown begins, then drying stops and energy‑saving storage mode engages.

Temperature Uniformity & Active Dehumidification
360° hot air circulation ensures even chamber temperature. Adjustable heating duration up to 98 hours. Independent airflow channels automatically open/close vents to prevent overheating and filament damage.

4 Safety & Monitoring Functions
Includes outlet temp monitoring, PTC overheat circuit breaker, fan operation monitoring, and main control board temp monitoring for safe, reliable drying.

Touchscreen & Intelligent Control
5‑inch (110x68mm) display with touch keys and enhanced backlight. Dedicated 50℃ PLA preset prevents softening. One‑touch startup and quick material‑specific parameter setup for intuitive operation.

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Anthony

Ordered one of these after reading reviews. It seems the best to use as a feeder & dryer to the Snapmaker U1. The unit is well packed & sent next day via Yodel. It is very easy to set up & use, with a simple power switch at the back. Filament types are preloaded so you can select the type & all default setting are automatically filled. You can of course override any of these settings for your own needs. The real bonus to this unit is that it can be left in dehumidify mode! You can leave rolls of filament in the unit long term & as well as being sealed against moisture, it hold some desiccant in the bottom of the unit. I also love that it has two separate chambers to dry individually, so you could have 2 rolls of PETG & in the other a completely different filament. Comgrow themselves offer fantastic support too. My first unit must have been damaged in transit or along the packaging line as the display was cracked but I was sent a replacement direct from China. Sadly as I opened the unit & removed the cables, the little plastic guards around the connections broke off the board & bent the pins. Another email to Comgrow & they sent out a replacement straight away! A bit of a shaky start sure, but I am a big believer in it's HOW you deal with problems that show the true merit of any company. Would happily use them again.