Graymills manufactures a full range of cleaning fluids, degreasers, parts washers and precision cleaning equipment including manual, immersion, spray, and ultrasonic. One year standard warranty with some extensions on specific materials. For technical support contact Customer Service at (773) 248-6825, (888) 472-9645, or [email protected]. Hours: 8 a.m. to 5 p.m. Central time.