Plant Tray Humidity Lids &ndash; 5 pack of Clear 8&rdquo; High Nano dome plant tray lid for 10x20 plant trays with &ldquo;H&rdquo; groove for fluorescent grow lights and dual adjustable air vents by SunBlaster Plastic Trays The SunBlaster Clear NanoDome 10x20 plant tray lid with H groove top for fluorescent grow lights should be used as one of the main components of any indoor seed germinating or plant propagating system. SunBlaster Clear Nano Dome plant lids keep the humidity high and provide a perfect environment for fresh cuttings. Using the SunBlaster Nanodome 8 clear vented top and you can start enough seeds or root enough cuttings to get your garden off to a great start. If you need some added humidity for your seeds and cuttings you have found the answer, the 8 tall dome can increase rooting percentages in your cuttings and help your delicate seedlings get sprouted. The SunBlaster NanoDome is designed to provide more cubic volume for your tall growing plants and is constructed from heavy duty, high grade UV resistant clear plastic to maximize light penetration and stand up to repeated use. Perfectly fitted for standard 10x20 trays to create a tight seal and reduce moisture loss. Dont let your cuttings die, protect your efforts by using SunBlaster Nanodome clear plant tray lids for all your propagation and germination needs.