
STEM 300
Humidifier

Humidifier
STEM
【stem】
The main body or stalk of a plant or shrub, typically rising above ground but occasionally subterranean.
Moisture that nourishes.
In nature, plants gently pull water from the soil, drawing moisture up through the roots and stem to nourish the entire plant and help it flourish. In the same way, the STEM fills your whole room with replenishing moisture.

Compact humidifier with a large-capacity tank and LED lighting that invites you to a good night's sleep

Function 01
Compact design that can be placed anywhere
Due to its compact size, STEM 300 can be placed on a shelf and bedside table as well as on the floor.
Function
01
Due to its compact size, STEM 300 can be placed on a shelf and bedside table as well as on the floor.


Function 02
Compact yet large tank capacity
The water tank has a large capacity of 3.5L and you can use it continuously for 23 hours in low mode.
Function
02
The water tank has a large capacity of 3.5L and you can use it continuously for 23 hours in low mode.


Function 03
Large opening makes water supply and maintenance easy
Water supply is easy because the opening of the water tank is as large as 20 cm in diameter. The special antibacterial plate equipped in water tank removes mold and bacteria up to 99.9%*1, keeping it clean and requiring minimal maintenance.
Function
03
Water supply is easy because the opening of the water tank is as large as 20 cm in diameter. The special antibacterial plate equipped in water tank removes mold and bacteria up to 99.9%*1, keeping it clean and requiring minimal maintenance.

*1 Measurement method: At Japan Food Research Laboratory, more than 99.9% of bacteria suppressed in 24 hours according to JIS Z 2801, “Antibacterial Products - Test for Antimicrobial Activity and Efficacy”. The antibacterial function of this device does not guarantee that generation of all bacteria will be suppressed. Periodical cleaning is required.
(Tested with STEM 620)


Function 04
As a table lamp in the study or bedside
The lamp illuminance can be adjusted in 3 stages. By using it as a bedside lamp, you can relax with the shimmering water.
Function
04
The lamp illuminance can be adjusted in 3 stages. By using it as a bedside lamp, you can relax with the shimmering water.


Function 05
Quietness for a good night's sleep
Assuming the use in a bedroom or a baby's room, the operating noise is as quiet as 33 dBA. In night mode, the lights in the tank will be turned off while adjusting the humidity output automatically for your good night's sleep.
Function
05
Assuming the use in a bedroom or a baby's room, the operating noise is as quiet as 33 dBA. In night mode, the lights in the tank will be turned off while adjusting the humidity output automatically for your good night's sleep.

Maintenance
Continuing to use the product without cleaning can result in accumulation of dust and the humidifier may not be able to provide full performance. Clean the product periodically (Once or more per week is recommended).
Cleaning items
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Cotton swab
-
Sponge
-
Soft brush
-
Brush with a long handle
Point 01
Remove each part.

Point 02
With the operation button side facing up, discard the water remaining in the water tank and rinse it.

Point 03
Use a soft brush or a sponge to clean the nozzle and antibacterial plate with water.

Point 04
Clean the duct and water tank with a soft brush or sponge. Wash off contamination on the mist outlet with a soft brush.

Specification
Room size | ~ 18 m²*1 |
---|---|
Humidification capacity | 50 mL/h (Intermittent), 150 mL/h (Low), 300 mL/h (High), 400 mL/h (Rapid) |
Product weight | 3.3 kg |
Sensor | Temperature, humidity sensors |
Body colors | Cool Gray, White |
LED notification | Humidity, various warning signals |
Operation mode | Auto/Night mode, Intermittent, Low, Mid, High, Rapid (2h) |
Tank capacity | 3.5 L |
Timer | 1H/4H/8H |
Rated power consumption | 7 W (Intermittent), 18 mL/h (Low), 26 W (High), 34 W (Rapid) |
Dimensions | Diameter 210 × H 354 mm |
Replacement filter cartridge | CT-C300*2 |
Specification and design are subject to change without notice.
*1 Calculated using a testing method based on JEM1426 of the Japan Electrical Manufacturers' Association.
*2 Filter cartridge generally needs to be replaced after 3-6 months use depending on the hardness of the water.
Accessories

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