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Hydrofarm's windowsill heat mat is perfect for veteran growers, beginners, and children too. It is the perfect size for small growing spaces, and improves germination by warming the root area 10-20°F over ambient temperature. By warming the roots you increase your growing success as this mat will maintain a controlled temperature all season long.
|Name||Windowsill Heat Mat 7.3W 120V (3 inch x 20 inch)|
|Dimensions||3" x 20"|