Neck & Neck Plus Cervical Pillow Speculum Vaginal 1 Tank Capacity*: 3 gal MSHQ 1594XL 1 Tank Capacity*: 3 gal (11 L) Temperature Range: 160¯ 165¯F (71¯ 74¯C) Thermal Cut Out Temperature: 180¯ 185¯F (82¯ 85¯C) Temperature Accuracy: + 10% Heat Up Time to 160¯F (71¯C): 2 Hrs Cool Down Time from 160¯F (71¯C): 1 Hr Fiberglass Insulation: No 1 Year Warranty on replacement lifter pump This versatile pillow offers a choice of four ergonomic sleeping options to provide the most comfortable and supportive fit * Options for the best sleep Four different pillow sleeping options to suit your individual needs plus your choice of comfort foam or memory foam * Memory foam pillow Pleated memory foam side offers greater contoured support with a high and low end providing two options for a comfortable and supportive fit * Comfort Foam Pilllow Peaked comfort foam side offers a flatter surface providing a choice of two higher firmer sleeping heights * Optimal Air Circulation Both pleated and peaked surface textures promote air circulation reduce build up of moisture and help to reduce pressure points * Includes a machine washable pillow protector * Medium support * Great Retail Packaging * Dimensions: 22 x 13 x 5 *