About This

Equipped with Integrated vents—Adjustable range from 50% to 100%, providing a very flexible management tool for planters. Firstly, you can adjust the humidity level by adjusting the size of the ventilation openings at different stages of seedling cultivation, as seeds have different humidity requirements from germination to emergence.Secondly, it can enhance air circulation and promote the robustness of plants.When necessary, the temperature can also be controlled to expel the accumulated hot air inside and introduce cooler air, creating a healthy environment for the rapid growth of plants.
Just Right to Lock The Bottom Tray—These plant humidity domes are 21.6 x 11 x 4 inches in size, designed specifically for standard 10 x 20 inch seedling trays. The edge of the lid is made according to the precise upper lip contour of the 1020 tray, perfectly fitting the tray.
Thick But Non Hard Plastic—These humidity domes used for seed starting are made of high-quality thick plastic, which is sturdy, durable, and soft yet pliable, allowing for bending and twisting without damage or cold brittleness.The lid is as transparent as glass, allowing you to observe plant growth clearly and allowing sufficient light to shine on the seedlings, supporting healthy seedling development.
Tall Design—Per lid is 4 inches high, taller than other lids on the market, providing ample space for seedlings to grow vigorously. This additional space helps promote root development and plant growth, supporting the rich soil environment necessary for healthy plants.
Easy to Use—These greenhouse seed tray covers are carefully designed with convenient handles, easy placement and movement, and good materials ensure long-term performance,which can be reused indoors or in greenhouses for multiple planting seasons.