3-Tier Greenhouse for Indoor and Outdoor Use, 4ft Tall Portable Mini Green House with Shelves, Zipper Door & PE Cover, for Seed Starting, Plants, Herbs, Balcony, Patio Gardening 3-Tier PE is up for auction in Patio, Lawn & Garden. The current bid is $14.50, 66% below the $42.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.