The SUNPACK 50-Cell Heavy-Duty Insert is a professional-grade propagation tray designed for durability, consistency, and multi-season use. Built from thermoformed polypropylene (PP), it provides a reliable solution for starting seeds, rooting cuttings, and growing transplant-ready plants in commercial and greenhouse environments. Key Features 50-cell configuration for efficient propagation and uniform plant spacing Heavy-duty thermoformed polypropylene construction for multi-year durability Flexible, impact-resistant material reduces cracking and extends lifespan Designed to fit standard 10" x 20" (1020) propagation trays Smooth cell walls allow easy plug removal with minimal root disturbance Drainage design supports proper moisture control and healthy root development Best For Seed starting and propagation Rooting cuttings and clones Growing larger plugs and transplant-stage plants Greenhouse, nursery, and indoor cultivation environments Operations looking for reusable, long-life propagation trays Specifications Cell Count: 50 Material: Thermoformed polypropylene (PP) Dimensions: Approximately 21" x 11" x 2.5" Compatibility: Fits standard 1020 trays Color: Black Design Advantages Larger individual cell volume compared to higher-count inserts supports stronger early root development Reusable construction reduces waste and long-term input costs Consistent cell sizing improves uniformity across batches Engineered for professional growers, this insert balances durability with performance-providing reliable propagation results season after season. Note: For best results, pair with standard 1020 trays and compatible domes or irrigation systems.
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