Photo 1 of VIVOSUN 4-Pack 10" x 20.75" Durable Waterproof Seedling Heat Mat, UL & MET-Certified Warm Hydroponic Heating Pad for Germination, Indoor Gardening, Greenhouse

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Photo 1 of VIVOSUN 4-Pack 10" x 20.75" Durable Waterproof Seedling Heat Mat, UL & MET-Certified Warm Hydroponic Heating Pad for Germination, Indoor Gardening, Greenhouse