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-Degree over ambient temperature. By warming the roots you increase your growing success as this mat will maintain a controlled temperature all season long. UL listed.
- Product Dimensions (3" x 20")
- Increases success of seedlings and cuttings
- Warms root are 10-20-Degree farenheit over ambient temperature to improve germination
- Waterproof construction with 6-Inch power cord
- The only UL/CUL listed seedling heat mats on the market
- Works great with our Jump Start Windowsill 12-pellet seed starting kit - JS12GH