Jump Start Commercial Seedling Heat Mat Modular Add-on, 60" x 21", 140W ventilation Depending on the size of

Depending on the size of your cartridge

Like all ballasts in the Phantom family

energy efficiency

Illustrated instructions

• As 60/40 is a much more airy substrate than coco

Jump Start Commercial Seedling Heat Mat Modular Add-on, 60" x 21", 140W ventilation Depending on the size ofThis is the add on unit for the MTMDU Commercial Heat Mat. You can daisy chain up to 4 of these units to the MTMDU unit to maximize your seed starting area. Bottom heat is one of the most important and effective ways to improve germination and rooting. Our new HEAVY DUTY modular commercial heat mats will provide uniform heat for hundreds of seedlings or cuttings. Warms root area 10 20F over ambient temperature to improve germination. Supersized mats: