Includes 2 four panel height extension features additional side vents which can be opened or closed as necessary to help maintain the humidity sought to maximize plant health and growth Ideal for maintaining humidity and moisture without constant attention by allowing moisture to ...Includes 2 four panel height extension features additional side vents which can be opened or closed as necessary to help maintain the humidity sought to maximize plant health and growth Ideal for maintaining humidity and moisture without constant attention by allowing moisture to remain enclosed inside the dome Features a heavy duty clear dome which allows light to reach the seed bed and young plants unobstructed to maximize seed propagation and plant growth. These same lids can be used in outdoor seed beds in the early season to protect direct sewn seeds making them ideal for three season use both indoor and out Made of durable heavy duty pp tray which will provide years of service and transport of the mature plants without fear of the tray failing, buckling, or damage from moisture.Combines the popular earlygrow 70738 medium seed and herb propagator with 2 new vented side height extensions allows growing of plants to 14.5” in height under the clear vented dome.This set includes 8 security clips, which are easy to attach and remove, and provides stability and structure to the package. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.