Harvia Cilindro PC80E, a modern stainless steel pillar-style sauna heater, is engineered to power sauna rooms up to 431 cubic feet (CF). Requires Xenio control and a minimum of 200lbs of stones, sold separately. Side-wall or corner of room install For sauna rooms from 141 to 431 cu. ft. Requires a minimum of 200lbs of stones (5 box-AC3000) Direct rock-to-heating element contact Industrial grade, serviceable heating elements Designed, engineered, and made in Finland Dimensions: 14"W (355mm) x 13"D (330mm) x 40"H (1016mm) Manufacturer's Note:Sauna heater stones are significant to the unit's safety. Manufacturer's Note:Sauna heater stones are significant to the unit's safety. The Harvia Harvia Cilindro PC80E sauna heating unit required Xenio control for operation is sold separately.