Harvia R-991 - Rounded Sauna Heater Stones Olivine Diabase (2-4 in, 33 lbs) HUUM and Legend 150/240/SL/Duo models

and Legend 150/240/SL/Duo models

and exceptionally resistant to decay

The HUUM LS Protective Bed – Large is designed to protect floors under HIVE Flow LS and Flow Mini LS wood-burning stoves

5 to 2 hours – the fastest-heating wood-burning hot tub available

Harvia R-991 - Rounded Sauna Heater Stones Olivine Diabase (2-4 in, 33 lbs) HUUM and Legend 150/240/SL/Duo modelsRounded olivine diabase sauna stones provide a softer steam by allowing water to flow easily to the lower layers, increasing the heated surface area. Best used as a top layer, these stones help create more even steam and are compatible with both electric and wood burning sauna heaters.