Hydrocollator SS-2 Heating Unit - Mobile Product Benefits: This Hydrocollator is thermostatically controlled so it provides steam packs with a constant temperature for therapeutic use This durable stainless steel mobile heating unit allows you to move it around as you wish to change its position Featuring 3” swivel-type rubber casters for silent, friction-free movement This mobile Hydrocollator has fiberglass insulation to prevent heat loss No plumbing is required. Just fill with water. Product Details: Made of high quality stainless steel This heating unit includes 8 free standard hydrocollator packs Mains power: 110~120 V 50/60 Hz Product weight: 66 lbs Shipping weight: 80 lbs Dimensions: 21"L x 16"W x 33"H Tank Capacity: 37L with hot packs in it Temperature range: 71° - 74°C Thermal Cut-Out Temperature: 82° - 85°C Heat Up Time to 71°C: 4 Hrs Cool Down Time from 71°C: 4 Hrs One year warranty for manufacture defects 4 stander and 4 cervical hot packs are included