- Super Sprouter Ultra Clear Vented Germination Dome 2 in
This excellent quality 2 inch Super Sprouter¬ Ultra Clear Germination Dome fits standard 10 x 20 inch propagation flats. Use the 2 inch tall dome for germinating seeds or for small clones. Two vents in the top of the dome can be opened or closed to control humidity. These are the most clear and transparent domes on the market, allowing for maximum light penetration and the best viewing of your plant starts.