and comes with four ball sizes for compatibility with a wide range of couplers

The large 22 in

Designed to withstand heavy use without breaking

Material use is easily controlled using the adjustable shut-off feed gate

They dry soft even after getting wet

Gemplers Heat Propagation Mat Size:10' L x 21" W and comes with four ballGemplers Heat Mats provide consistent heat at 30 watts per foot, promoting healthier root development for seedlings and plants. Designed for greenhouses and growers, these mats create an ideal growing environment by heating up to 120F. Choose between 150W or 300W mats, available in two lengths, to meet your specific propagation needs. Backed by Gemplers Quality Guarantee, these mats are a must have for successful plant growth. A thermostat # 237907