EOS Cubius soapstone sauna cubes, White
EOS

EOS Cubius S45 Soapstone Sauna Stones 24 Pieces with Mounting Frame White 14-945939

Sale price$1,532.00 Regular price$2,188.57
No sales tax collected at checkout
on orders shipped outside California
  • Authorized dealer
  • Full manufacturer’s warranty
  • Financing available with Affirm and Shop Pay
Questions? Text or call a specialist: (513) 650-6959

Monday–Friday, 9am–9pm PST. Weekends: leave a message and we'll call you back.

View our refund policy
Shop with Confidence
  • Authorized EOS Retailer
  • Shipping Calculated at Checkout
  • Contact us for delivery
  • Secure Checkout
  • U.S.-Based Customer Support
  • Questions? Text or Call (513) 650-6959

Give your Mythos S45 heater its signature crown with EOS Cubius S45 stones: 24 soapstone cubes, precision cut into exclusive cubic shapes and finished in white.

Colored versions carry a scratch- and heat-resistant coating that will not discolor as sauna temperatures rise and fall. The cubes fasten securely to the included stainless steel mounting frame above the standard sauna stones, for a symmetrical look that enhances airflow, balanced heat distribution and long-lasting steam.

Key Features

Solid soapstone: Natural soapstone precision cut into geometric cubes.

Durable color: Colored stones feature a heat- and scratch-resistant coating that won't discolor in extreme temperatures.

Secure mounting: Stones sit on the included mounting frame above standard sauna stones.

Airflow: Designed to enhance airflow for balanced heat distribution.

Compatibility: Optimized for EOS Mythos S45 sauna heaters; designed, engineered and sculpted in Germany.

Product Specifications

Material: Soapstone

Color: White

Quantity: 24 stones with mounting frame

Stone dimensions: 2" W x 1.6" D x 2" H (each)

Model / Part Number: Cubius S45 / 14-945939

What’s Included

Contents: 24 Cubius S45 sauna stones and mounting frame.

Installation and Compatibility

Compatibility: Optimized for EOS Mythos S45 sauna heaters.

Care and Maintenance

Replacement: Minimal dust generation, with replacement recommended every 18 to 24 months.

Pairs Well With

EOS Mythos S45 12kW 208V Black: Mythos S45 Electric Sauna Heater 12kW 208V 3-Phase Black

EOS Cubius Loop 4 White: Cubius Loop 4 Soapstone Sauna Stone White

EOS Mythos Safety Rail Natural: Mythos Safety Guard Rail for Mythos Sauna Heaters Natural

Returns

View our Shipping, Return & Refund Policy

Delivery Preparation & Setup

Before ordering: Confirm the selected size, finish, model and included components against the specifications on this page. For a replacement part or fitted accessory, verify compatibility with the exact equipment model and installation instructions before ordering.

Receiving and placement: Confirm the carrier service and packaged size and weight before arranging receipt or handling. Check the access route for larger items and arrange suitable assistance if needed. Do not assume delivery includes placement or installation.

Setup and use: Follow the product-specific instructions and any required sauna, heater or control clearances. For electrical, gas, chimney or through-wall components, have the appropriate qualified installer verify the installation before use.

Inspect and document: Inspect packaging and visible contents on arrival. Photograph visible damage and note it on the delivery receipt before signing whenever possible. Report damage promptly, preferably within 48 hours, and retain packaging, parts and documentation until reviewed. Follow our Shipping, Return & Refund Policy for damage reporting.

Frequently Asked Questions

Which heater are these stones for?

The EOS Mythos S45 sauna heater.

How many stones are included?

24 stones plus the mounting frame.

How often should they be replaced?

Replacement is recommended every 18 to 24 months.

Will the color fade?

Colored stones have a heat- and scratch-resistant coating that won't discolor in sauna temperatures.

What colors are available?

Natural, white and black.

What materials are specified?

Soapstone

What is included with this item?

24 Cubius S45 sauna stones and mounting frame.

How do I confirm the correct version before ordering?

Match the selected variant, model or part number, dimensions and compatibility notes on this page with your existing equipment and manufacturer instructions.

Where should I check setup requirements?

Use the instructions supplied for this exact product and any sauna, heater or control it connects to. Confirm unclear compatibility or installation requirements before ordering.

Does delivery automatically include installation?

No. Confirm any included services before shipment and arrange placement, assembly or qualified installation separately where not included.
EOS Cubius soapstone sauna cubes, White
EOS Cubius S45 Soapstone Sauna Stones 24 Pieces with Mounting Frame White 14-945939 Sale price$1,532.00 Regular price$2,188.57

The products available at Prime Regeneration are intended for general wellness, relaxation, and personal recovery use only. Unless a product page specifically identifies an FDA-cleared intended use, these products are not medical devices and are not intended to diagnose, treat, cure, or prevent any disease or medical condition. FDA clearance is product- and indication-specific and differs from FDA approval or establishment registration.

Any wellness-related information provided on this site is for general informational purposes only and should not be considered medical advice. Individual experiences may vary. Please consult a qualified healthcare professional before using any wellness product if you have health concerns, are pregnant, have a pre-existing condition, or are taking medication.

Prime Regeneration does not make medical, therapeutic, or disease-related claims regarding any product sold on this site. Products should not be used as a substitute for professional medical advice, diagnosis, or treatment.