Snap & Grow Plus DIY Greenhouse Kit 8.5 ft. Wide with Single-layer Polycarbonate Panels and Aluminum Frame Length:20 ft. 1/2 in. These modular bench tops are

These modular bench tops are durable

UV Protected

Depending on temperature

The bottom of each cell has five drainage holes

Snap & Grow Plus DIY Greenhouse Kit 8.5 ft. Wide with Single-layer Polycarbonate Panels and Aluminum Frame Length:20 ft. 1/2 in. These modular bench tops areKey Details Snap & Grow Plus 8. 5 ft. Wide Greenhouse Dimensions: 8' 1 2" W x 8' 1 2", 12' 1 2", 16' 1 2", or 20' 1 2" L x 8' 6 1 2" H Sidewall: 5' 3" Frame: Aluminum with Rigid Polypropylene SmartLock Connectors Color: Silver Covering: Clear, Single layer 0. 8mm SnapGlas Polycarbonate Panels Door(s): 3' 9 3 4" W x 6' 6 3 4" H Roof Vents: 1 End Vents: 0 Side Vents: 0 Base: Integrated Foundation: Options Stakes; Treated 4x4's; Concrete Piers or Slab