Atlantic FastFalls Spillway Boxes

Atlantic FastFalls simplify top-of-the-waterfall plumbing while providing exceptional structural integrity. Featuring a crush-proof design with internal baffles and stabilizing support cones, these units easily support the weight of heavy rocks and stones. The innovative rear liner attachment eliminates leakage caused by settling, and the reinforced spillway lip can be planted and camouflaged seamlessly into your surrounding landscape.

Key Features

• Streamlined Installation: Rear liner attachment simplifies setup and prevents settling leaks.

• Crush-Proof Strength: Internal support cones and baffles safely carry heavy stone and rock loads.

• Natural Landscape Integration: Reinforced lip allows you to conceal the box with rock, gravel, mulch, or soil/plants.

• Complete Kit: Includes installation kit, male thread adapter, and a one-piece liner flange.

Available Models & Specifications

• 16" FastFalls (SP1600):

  • Max Flow Rate: 3,000 GPH | Overflow Width: 16"

  • Inlet Connection: 1.5" FIPT | Dimensions: 9.5"L × 16.5"W × 7.25"H

• 19" FastFalls (SP1900):

  • Max Flow Rate: 4,000 GPH | Overflow Width: 19"

  • Inlet Connection: 2" FIPT | Dimensions: 17"L × 20.5"W × 10.25"H

• 26" FastFalls (SP2600):

  • Max Flow Rate: 6,000 GPH | Overflow Width: 26"

  • Inlet Connection: 2" FIPT | Dimensions: 17"L × 27.5"W × 10.25"H

• 38" FastFalls (SP3800):

  • Max Flow Rate: 9,000 GPH | Overflow Width: 38"

  • Inlet Connection: 3" FIPT | Dimensions: 17"L × 39.5"W × 10.25"H