The Agriworks Large Format Heated Seedling Mat delivers expanded capacity for commercial greenhouse operations and nurseries requiring high-volume seed propagation. With professional-grade 20" x 20-3/4" dimensions, this waterproof carbon film heating mat provides double the surface area of standard models, enabling simultaneous germination of multiple seed trays or larger propagation flats. The advanced multi-layer construction withstands rigorous daily use in demanding commercial environments, while uniform heat distribution ensures consistent germination rates across the entire surface. Designed specifically for wholesale growers, plant nurseries, and commercial agriculture operations, this heated mat accelerates germination cycles, increases crop turnover, and delivers the reliable performance required for professional propagation workflows.