This product is standard size and compatible with 10" x 20" trays, which can be purchased separately. Humidity domes are a helpful tool to use during germination, often used in conjunction with heat mats. They help protect the seeds, maintain moisture levels, and create the perfect environment for those seeds to get a great start.

• 10” W x 20” L x 7” H in dimension
• Useful for seed germination, early seedling growth, and propagating smaller cuttings
• Allows the grower to adjust the humidity levels to best suit the stage of growth using its four adjustable vents
• Made of clear, high-quality BPA-free food-grade plastic
• Helps to conserve watering while providing an appropriate blackout period