Hydrofarm 19007 Hydroponic 12 x 48-Inch 60W Seed Start Propagation Heat Mat (4) planter pot Simple to install and mounts

Simple to install and mounts to cabinet floor

and coated with IceVex cold-proof treatment

Dimensions (L x W x H): 48 x 29

all that trouble's handled for you

Simply pull up the knob and you are able to rotate the reel 360 degrees

Hydrofarm 19007 Hydroponic 12 x 48-Inch 60W Seed Start Propagation Heat Mat (4) planter pot Simple to install and mountsThis 4 pack of Hydrofarm 12x48 Inch Propagation Mats provides bottom heat that enhances germination and rooting. This seeding and propagation mat is 48 inches long and ideal for placing 2 standard trays end to end. It warms the rooting area to 10 20 degrees above ambient temperature. Place it under a 4 foot fluorescent fixture and ensure the bottom surface of your trays will be heated uniformly. Daisy chain up to 10 mats to reduce the number of power