The Monticello 4 ft. extension Premium kit is specifically designed for the Monticello line of greenhouses. The idea is simple as your gardening greenhouse needs grow so can you greenhouse. The 4 ft. extension kit allows for the expansion of your greenhouse. The design and installation is simple and takes under 2 hours to assemble. Each 4 ft. extension kit comes includes a 2 x 2 ft. roof vent with automatic opener and gutters. When ordering your extension kit make sure that the color matches your existing greenhouse. This one is designed specifically for Black frames and will work with the following greenhouses - MONT-8-BK-Premium MONT-12-BK-Premium MONT-16-BK-Premium MONT-20-BK-Premium MONT-24-BK-Premium.
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