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60" Supreme Flowerbox Window Box - White

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60" L x 8 1/2" W x 9" H -Includes (4) Brackets

Our "Supreme" Fiberglass Flower Boxes are available painted White, Hunter Green, Slate Grey or Satin Black.  Our "Supreme" line-up is characterized by:

  • A custom drainage mat designed to channel water over the convex bottom to drainage holes located in the end-cap. 
  • The Supreme Flowerbox drainage mat replaces pebbles, prevents over watering and circulates air and heat to plant roots to encourage growth and health plants.
  • A "extruded" manufacturing process that ensures high strength yet light weight.
  • A smooth clean interior and exterior finish that can be rinsed inside and out.
To see either our Black, Grey or Hunter Green Line-up of  Supreme fiberglass boxes, click on their boxes on the right side of this page.

Enjoy the understated elegance of the "Supreme" Style of fiberglass window boxes with a classic white finish or brush on a bold splash of your own color.  Most window boxes look best when sized to the outer edge of your window trim or midpoint of your shutters.  
  • Includes (2) Wall Brackets & Bolts.  For additional brackets or brackets for mounting in brick or block see below.
  • Custom Sizes Available Up To 14 ft. (Special Shipping Required) 
Hooks and Lattice Window Flower Box Hardware
The fiberglass "Supreme Flowerbox" is also suitable for your own choice of paint colors.  At Hooks and Lattice we are a one stop shop for the the widest selection of high quality fiberglass window boxes.  If you have any window box question or need a custom size fiberglass window box please call us toll free at: 800-896-0978.

Click here to see all of our varied styles and materials  window boxes.

60" L x 8 1/2" W x 9" H -Includes (2) Brackets 

60" Box: Soil volume: 2.5 cubic feet, empty weight 22.5 pounds

Fiberglass Window Box Dimensions from Hooks and Lattice 
If you'd like a more decorative look to your windows, consider these wrought iron window box brackets below.  Simply locate our different styles on the right side of this page and click to review or add to your shopping cart.Using these shelf-like brackets allows your box to be mounted further from the wall frequently allowing clearance from window trims and other trim boards.
Wroght Iron Window and Flower Box Mounting Hardware
  • French Shelf Bracket Pair- creates a 8 1/4" Shelf

  • Scroll Shelf Bracket Pair - creates a 8 1/4" Shelf

  • French Shelf Bracket- creates a 11 1/4" Shelf
Finish: Powder Coated in Textured Black
Our line of Supreme Fiberglass Window Boxes come with wall brackets to hang your window box beneath a window on your home. Bolts are included, but if you are mounting the box to a stone/brick home, you will need to purchase lag shields separately. Diagrams are shown below so that you can see how the boxes are mounted to a wall and to a railing. To explore additional mounting hardware, including brackets for hanging the box from a railing, visit our Optional Brackets (For Fiberglass Supreme Boxes Only) page.

Fiberglass Window Box Installation from Hooks and Lattice