Grow1 Square Grow Lid, 8 in. - Pack of 40 Diameter:4 in The particle size lies within

The particle size lies within the Nano range

UL 778 6th Ed

Propagation systems for all growers

The fan continues to run to dissipate excess heat from the element

which ensures the biological life remains intact and un-denatured

Grow1 Square Grow Lid, 8 in. - Pack of 40 Diameter:4 in The particle size lies withinDual sided 5. 5mil grow lids have a white face to reflect light back to the plants and a black side to block light and help with algae, mildew and pest control. These are great for plants that can't hold any more mulch or ground cover in it's container. Available in 3 sizes: 3 in. Pack of 40 4 in. Pack of 40 8 in. Pack of 40