This is a brand new Studio 2 woodburning inset which a customer ordered for their new build but ended up not being able to fit it. It is still boxed  and comes with an edge trim and direct air kit. We are selling it as a package but optional trims can be purchased from Stovax. 
The Stovax Studio 2 inset wood burning fire is an eco-friendly, space-saving cassette stove that combines advanced technology with a elegant design. It's inset installation eliminates the need for a traditional chimney, making it ideal for both modern and traditional interiors. The stove comes with various frame options to suit your style
With an 8kW heat output, the Studio 2 is perfect for medium to large open-plan spaces, delivering consistent warmth. The large glass window offers a stunning view of the flames, while the Airwash system keeps the glass clean for a clear view
The Cleanburn system boosts combustion, enhancing heat output and reducing emissions, while its 80% efficiency ensures maximum fuel use and minimal waste. This is SIA Ecodesign Ready, DEFRA approved for smoke-controlled areas, and meets European safety standards with CE approval. Backed by a 10-year warranty, it ensures long-term performance and reliability. If you're looking for a stove that is both aesthetically pleasing and efficient, then this is the one for you!
SIA Ecodesign Ready, exceeding emissions and efficiency standards for a more sustainable heating solution
Airwash system for cleaner glass, ensuring an uninterrupted, clear view of the flames
8kW heat output, perfect for heating medium to large open-plan spaces
DEFRA approved for smoke-controlled areas, ideal for use in urban or smoke-restricted zones with the correct kit
Cleanburn system, enhancing combustion efficiency, improving heat output, and reducing emissions
CE approved, meeting European safety and environmental standards
10-year warranty, offering long-term reliability and peace of mind
Large glass window for a stunning view of the flames, adding to the visual appeal of your home
80% efficiency, optimising fuel use for maximum warmth and minimal waste
A-rated energy efficiency, providing excellent performance while reducing energy consumption and running costs
SKU RVST-2EU

Fuel Type  Wood Burning
DEFRA Approved Yes
Flue Size 153mm (6")
Flue Options Top Only
Width 950mm (Inset)
Height 440mm (Inset)
Depth 350mm (Inset)
Efficiency (%) 80%
Energy Rating A
External CombustionYes
12mm Hearth Installation No
Heat Output 8kW
Warranty 10 Year
https://www.stovax.com/fires/studio-wood-burning-fires/
The link takes you to the Stovax studio information page with all the fitting instructions and full specification.