| Warms root area approximately 10° - 20° F over ambient temperature to improve germination process Helps gardeners have better success rates with seedlings & cuttings Perfect for one standard 10" x 20" propagation tray Heavy-duty construction makes this mat very durable More than 20% larger than competitive mats. This allows even warming of your entire tray More consistent heating with fewer hot spots than other seedling heat mats Ed Hume seal of approval Dimensions: 21" x 10" 20 watts |
