(Miraco) One-piece body polyethylene construction has smooth rounded edges for safety and can stand up to livestock abuse. Removable dome for quick and easy access to valve area. Has 2” to 3” urethane foam insulation. Resistant to corrosion. Sloped bottom for easy clean-out. Holds 4 gallons. 19” drinking height. 20” x 16” x 27” tall. Approximately 48 lbs. 5-year warranty. Energy free unless using optional heating sources.