Circular rigid cold plunge tub with external chiller unit
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Nebula

Barrel

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The Nebula Barrel is a cylindrical all-in-one cold plunge with a fully integrated chiller concealed within its entry steps, constructed from 304 stainless steel and finished with African teakwood.

Tub structure
Rigid
Chiller included
Yes
Plunging orientation
Vertical

Description

The Nebula Barrel is a self-contained cold plunge unit built around a distinctive cylindrical form, designed to support a upright plunging posture. Its defining structural feature is the integrated chiller, housed entirely within the entry steps rather than as a separate external unit.

The tub body is constructed from 304 stainless steel, with an African teakwood top lid and exterior cladding options including Matte Black, Stone Grey, and Arctic White. A built-in control display allows for temperature scheduling and daily automation without additional hardware.

Details & features

Features

Chiller included
Cover lid included
Included Cover lid is insulated
Suitable for outdoor use

Temperature

Maximum set temperature (°F)
59 °F
Maximum set temperature (°C)
15 °C
Minimum set temperature (°F)
39 °F
Minimum set temperature (°C)
4 °C
Maximum operating ambient temperature (°F)
113 °F
Maximum operating ambient temperature (°C)
45 °C
Minimum operating ambient temperature (°F)
41 °F
Minimum operating ambient temperature (°C)
5 °C

Dimensions & weight

Dry weight (lbs)
551 lbs
Dry weight (kg)
250 kg
Tub outer dimensions LxWxH (inches)
39.37 x 39.37 x 42.2
Tub outer dimensions LxWxH (mm)
1000 x 1000 x 1072

Power & performance

Supports 220-240V / 50Hz

Details filtering

Main filter included
Main filter micron rating
20 microns

Details sanitation

UV-C sanitation / sterilization

General

Plunging orientation
Vertical / Barrel
Tub structure type
Rigid
Chiller location
External
Chilling type
Electric chiller
Default warranty (years)
2 years
Tub basin main material
Stainless steel
Tub basin steel grade
304 (standard)

Data sources

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Frequently asked questions

Yes — the Barrel is a complete system that includes a built-in chiller. No separate cooling unit is required; you can start cold therapy as soon as it is set up and filled.

The Barrel is a vertical cold plunge designed for standing immersion. This orientation maximises space efficiency and provides deep water coverage from feet to shoulders.

The tub basin of the Barrel is made from stainless steel.

Stainless steel offers excellent hygiene, durability, and resistance to corrosion, making it a popular choice for premium cold plunge tubs.

Other cold plunges from Nebula

Rectangular rigid cold plunge tub with internal chiller unit
Illustrative image
Rectangular rigid cold plunge tub with internal chiller unit
Illustrative image
Rectangular rigid cold plunge tub with internal chiller unit
Illustrative image
Rectangular rigid cold plunge tub with internal chiller unit
Illustrative image