The Harvia M3 package is perfect for when you want it all in one place. This complete package includes: M3 heater, Stones, Protective bedding, 1500MM chimney kit, 1000MM chimney extension, protective sheath, large floor kit, as well as a ceiling frame. For sauna rooms 212 cu. ft. to 459 cu. ft. Dimensions: 15" W x 18" D x 28" H Durable with high-heat capacity Stones range from 4" to 6" (10-15 cm) Dimensions: 17.7" W (450mm), 26" D (665mm), 2.4"-3" H (60-75mm) Can be installed on a sloping floor Mineral wool insulation material Touch protection is not needed if installed in a sauna Prevents movement caused by temperature changes Can be installed indoors and outdoors Designed, engineered, and made in Finland Dimensions: 8.6" D (220mm) x 39.3" H (1000mm) Reduces safety distance to combustible materials Dimensions: 33.5" x 18.5" x 3.75" Installation and operation manual Harvia Stove Protective Bedding Installation set for rain flange Stainless steel lead-through flange for ceiling Lead-through insulation and protector