Seedling warmth mats prompts seeds to germinate & grow faster-distributing a good 10-20 Degree build up in temperature. The heavy rubber mats are sized to suit below not unusual seed flats, the 9″ x 19 1/2″ fits below all Burpee Ultimate, XL, and Self Watering seed starting kits.
Included is one 9″ x 19 1/2″ warmth mat
Utterly waterproof. UL listed. 17 watts, 120 V warmth mat
Advisable to be used with all 10″ x 20″ Burpee seed starting Kits