Hydrofarm Jump Start Heat Mat 20" x 20" - Medium HMT UN3098 CLASS 5.1(8) CORROSIVE Automatically:

Automatically:

Double density handles

all attaching bolts are stainless-steel

Note: Athena Reset and Athena Perafoam are best used with the Athena Reset Foamer

Expands extremely fast due to a special hole that was invented and developed by CANNA

Hydrofarm Jump Start Heat Mat 20" x 20" - Medium HMT UN3098 CLASS 5.1(8) CORROSIVE Automatically:HYDROFARM JUMP START HEAT MAT 20" X 20" Re engineered for better performance and greater durability! The new, stronger heating wire and thicker multi layer construction offer more uniform heating and the durability to withstand rugged greenhouse environments. Features: Increases success of seedlings and cuttings Warms root area 10 20F over ambient temperature to improve germination Light, watering, and planting information on mat Waterproof