The Deluxe 4-Tray Seed Sprouter with patent pending hydrophobic irrigation system is a fast, easy and fun way to produce fresh, high-quality sprouts in the kitchen all year round. Hydrophobic Irrigation prevents the flow of water from moving the seeds while in the germination process, preventing seed clumping. In just 2-4 days, enjoy healthful sprouts in soups, salads and sandwiches. The 4 trays make it possible to grow multiple seed varieties at the same time. Made in USA