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Home / Product Types / Spillways & Weirs / Spillways & Diffusers

Spillways & Diffusers

Weirs and Spillways including: Atlantic FastFalls, Atlantic Pro FastFalls Big Bahama Pro Series, Atlantic Colorfalls Lighted Falls, Atlantic Colorfalls Lighted Falls Kit, Atlantic Colorfalls Color Changing Lighted Falls, Atlantic Colorfalls Color Changing Lighted Falls Kit, Calpump Preformed Spillways, Little Giant Waterfall Weir, Savio Waterfall Weir, Aquascape Waterfall Spillway, Atlantic Stainless Steel Scuppers, Atlantic Complete Basin Kits, Atlantic Stainless Steel Splash Ring And Basin

Spillways & Diffusers

The Aquascape Waterfall Spillway is a cost-effective way to create the starting point on any waterfall or stream, providing a smooth consistent water flow. The spillway is a versatile tool that can be used in a wide variety of water feature applications. As the incoming water rushes in, the water is diffused by strategically positioned internal barriers, creating smooth flow of water.  Ideal solution for pondless disappearing waterfall systems where large and expensive biological filters are not necessary. It can also be installed as an additional waterfall or stream onto a new or existing pond. Its durable design allows boulders, gravel, soil or other creative landscape material to be set directly on top, making it easy to camouflage into the surrounding landscape. 

Features:

  • Low profile and durable design
  • Includes 2" PVC slip and barbed fitting
  • Channel Locks required
AquascapePRO Waterfall Spillway for Ponds and Pondless Features

AquascapePRO Waterfall Spillway for Ponds and Pondless Features

  Icons SKU Spillway Width Dimensions Max Flow Fittings Included Add
77000
22"
17.5"L x 24"W x 5"H
7,500 GPH
2" PVC slip & 1.5" - 2" barb
77023
12"
10.5"L x 13.5"W x 5"H
4,000 GPH
2" PVC slip & 1.5" - 2" barb

Faster to install and Tougher spillway than any other spillway on the market

  • Ideal for use at beginning of streams and in block walls, pools and formal fountains
  • Low profile design of only 3-1/2"
  • Extra strong vertical rib design creates a nearly indestructible diffuser
  • Dual 2" inlets
EasyPro Eco-Series Waterfall Diffusers

EasyPro Eco-Series Waterfall Diffusers

  Icons SKU Description Size Flow (GPH) Inlet Add
Easy Pro Eco-Series 16" Waterfall Diffuser
$114.99 $103.49 | 259 Points
FREE $10.00 Free Gift Certificate Code
18773
16" Waterfall Diffuser
16" x 14" x 3-1/2"
1,000 - 4,000
Dual 2" FPT Inlets
EasyPro Eco-Series 23" Waterfall Diffuser
$149.99 $134.99 | 337 Points
FREE $15.00 Free Gift Certificate Code
18774
23" Waterfall Diffuser
23" x 14" x 3-1/2"
1,500 - 6,000
Two 2" FPT spinweld
EasyPro Eco-Series 32" Waterfall Diffuser
$229.99 $206.99 | 517 Points
FREE $15.00 Free Gift Certificate Code
18775
Dual 16" Waterfall Diffusers
32" x 14" x 3 1/2"
2000 - 8000 gph
Dual 2" FPT Inlets
EasyPro Eco-Series 46" Waterfall Diffuser
$299.99 $269.99 | 675 Points
FREE $15.00 Free Gift Certificate Code
81754
Dual 23" Waterfall Diffusers
46" x 14" x 3-1/2"
3,000 - 12,000
Dual 2" FPT inlets

One piece ECO-Series waterfall spillways are ideal for creating pondless waterfall features. Simply wrap liner over the spliner bar, push up into spliner groove and twist the locking knobs into place. Fast, easy, leak proof installation without silicone, bolts or tools!

  • Roto-molded for excellent strength
  • Easy installation – no silicone, no bolts, no tools!
  • Pre-installed spinweld fitting

EasyPro ECO-Series Waterfall Spillways

EasyPro ECO-Series Waterfall Spillways

  Icons SKU Waterfall Opening Inlet Dimensions Add
CF12E
12"
1-1/2" back
16-1/2"L x 13"W x 9"H
CF18E
18"
2" - both ends
22"L x 14-1/2"W x 13-1/2"H
CF23E
23"
2" - both ends
27-3/4"L x 14-1/2"W x 13-1/2"H
CF34E
34"
2" - both ends
37-1/4"L x 14-1/2"W x 13-1/2"H
CF48E
48"
2" - both ends
52-1/2"L x 14-1/2"W x 13-1/2"H

EasyPro ECO-Series Waterfall Spillways

  Icons SKU Add
Easy Pro Eco-Series 18" Faux Stone Lip
$38.39 $34.55 | 86 Points
 
CF18FS
Easy Pro Eco-Series 23" Faux Stone Lip
$49.99 $44.99 | 112 Points
 
CF23FS
Out of Stock
fastfalls big bahama pro atlantic free Gift Certificate

Incredibly strong one-piece units feature an internal baffling system, support cones and re-enforced spillway. The innovative "inside the liner" design and rear liner attachment simplifies installation. Cover with rock, gravel, soil or mulch to blend with your surrounding landscape.

All models feature:
  • Spillway boxes diffuse incoming water flow to create starting points to streams and waterfalls
  • Designed to make plumbing the top of the waterfall as easy as possible
  • Innovative rear liner attachment simplifies installation and eliminates leakage due to settling
  • Crush-proof design with internal baffles stabilized by support cones carries the weight of stone
  • Reinforced spillway lip retains rock, gravel, mulch or soil
  • Includes installation kit, male thread adapter and one-piece liner flange
Atlantic FastFalls - Waterfall Diffuser

Atlantic FastFalls - Waterfall Diffuser

  Icons SKU Weir Size Max Pump Flow Dimensions Inlet Add
Atlantic SP1600 FastFalls
$157.99 | 395 Points
12000
16"
3,000 GPH
16.5"W x 9.5"D x 7.25"H
1.5" FPT
12000-OB
16"
3,000 GPH
16.5"W x 9.5"D x 7.25"H
1.5" FPT
Atlantic SP1900 Fastfalls
$228.99 | 572 Points
02476
19"
4,000 GPH
20.5"W x 17"D x 10.25"H
2" FIPT
Atlantic SP2600 Fastfalls
$302.99 | 757 Points
00245
26"
6,000 GPH
27.5"W x 17"D x 10.25"H
2" FPT
Atlantic SP3800 Fastfalls
$406.99 | 1,017 Points
02469
38"
9,000 GPH
39.5"W x 17"D x 10.25"H
3" FPT

The Blue Thumb Elite Waterfall Spillway is a great way to create the starting point on any waterfall or stream. As the incoming water rushes in, the water is diffused by internal barriers, creating a smooth even flow of water. Able to handle flow rates up to 7,500 GPH, the wide 28" spillway provides an ideal solution for pondless waterfall systems where large biological filters are not necessary. Its durable design allows boulders, gravel,and other landscape material to be set directly on top, making it easy to camouflage into the surrounding landscape.

Blue Thumb Elite Spillway

Blue Thumb Elite Spillway

  SKU Weir Size Max Flow Inlet Add
Blue Thumb Elite Spillway 28"
$259.99 $233.99 | 585 Points
PB2866
28"
7,500 GPH
2"

Easily add a waterfall or stream to a new or existing water feature. Because of their rugged design and HMWPE construction, Fastfalls also comes with Atlantic's exclusive lifetime warranty.

Each FastFalls includes bulkhead, liner attachment flange, splash reduction foam and top grate.

Waterscapes by Atlantic FastFalls - Waterfall Spillways

Waterscapes by Atlantic FastFalls - Waterfall Spillways

  SKU Weir Size Pump Rate Dimensions Connection Add
02308
14"
2,000 GPH
16" x 11" x 8"
1 1/2" FPT
Out of Stock

Creates 16" Wide Waterfall

Dress up your waterfall return with this easy, eye-pleasing Waterfall Weir.

Enjoy hours of relaxation as your pond recreates the beauty of nature.

  • No glue liner connection - all compression seal securely holds liner in place without adhesives.
  • Easily connect 2" flexible or rigid PVC tubing to the rear inlet (not shown). Adapts to other types and sizes of tubing with fittings sold separately.
  • Bio-mechanical filtration.
  • Super strong injection molded housing.
  • Use multiple units for a wider waterfall.
  • Rated for pump flow rates of 900-3000 gph

Savio Waterfall Weir

Savio Waterfall Weir

  Icons SKU Inlet Add
Savio Waterfall Weir 16"
$137.00 $95.90 | 240 Points
69816
2" slip

Savio Waterfall Weir

  Icons SKU Add
Savio Waterfall Weir 16" Replacement Mat
$25.00 $17.50 | 44 Points
 
20017

Cascade Falls Boxes were created for Pond-Less applications instead of using a large bio-waterfall. Our Cascade Falls Boxes include a black Matala mat which creates an even flow of water over the weir, a Landscape Lid for hiding the unit in the landscape, a detachable weir, and all the necessary installation hardware. Place them side-by-side for additional design options and waterfall widths.

  • Includes: landscape lid, black matala diffuser mat, two factory installed spinweld fittings, detachable weir, self tapping stainless steel screws, black silicone & plumbing fittings. 
Blue Thumb Elite Cascade Falls Box

Blue Thumb Elite Cascade Falls Box

  Icons SKU Max. Flow Waterfall Width Inlet Size Dimensions Add
PB1106
2,500 GPH
14"
(2) 2” Spinwelds
19” x 24” x 14.25”
PB1113
5,000 GPH
22"
(2) 2” Spinwelds
20” x 33” x 14.25”
Blue Thumb Large 30″ Elite Cascade Falls Box
$539.99 $485.99 | 1,215 Points
PB1120
7,500 GPH
30”
(2) 3” Spinwelds
20” x 41” x 14.25”
PB1182
10,000 GPH
40” Spillway
(2) 3” Spinwelds
19.5” x 51” x 14.25”

Blue Thumb Elite Cascade Falls Box

  Icons SKU Add
 
MT14BK
 
MT22BK
 
MT30BK
 
MT40BK

Create a quick and easy waterfall effect with Little Giant Spillways. These Spillways are available in two different sizes, a 10", and 18". All of the Spillways include filter media to condition the water for a smooth waterfall effect. The 10" spillway has a 1" inlet with fitting and the 18" have both 1" and 1 1/2" fittings for easy installation.

    Features & Benefits:
  • No digging Required
  • Create a smooth or turbulent effect
  • Filter media included
Little Giant Preformed Spillways

Little Giant Preformed Spillways

  Icons SKU Inlet Max Flowrate Spillway Dimensions Add
Little Giant SPW10 10" Preform Spillway
$150.00 $79.00 | 198 Points
46010
1"
1000 GPH
10"
11" x 11.5" x 10.5"

Creating appealing waterfalls is easy with FilterWeirs. FilterWeirs provide bio-mechanical filtration and the tranquil sounds and visual splendor of a cascading waterfall. Simple installation, solid construction, professional results. Use multiple units to build cascades and larger waterfalls. F060 Includes a sturdy media grate for plants and stones. Savio has unleashed a giant· the massive new FilterWeir 31. This easily installable weir provides the tranquil sounds and visual splendor of a cascading waterfall on a large scale. This is the way for do-it-yourself, and pond pros alike, to create an impressive, dramatic display of falling water, with professional results. Plus, it's easy to retrofit to existing ponds, and pond free systems, with flow rates up to 10,000 gallons per hour. Includes 31 inch face plate spillway, and a sturdy media grate for stones or potted plants.

Savio F060 FilterWeir 31 inch

Savio F060 FilterWeir 31 inch

  Icons SKU Inlet Add
Savio FilterWeir 31"
$250.00 $175.00 | 438 Points
85060
3" Slip

Savio F060 FilterWeir 31 inch

  Icons SKU Add
 
69025
  • Wide Spillway for Greater Water Aeration
  • Easily Buried to Hide Filter from Sight
  • Designed to Accommodate Addition of Mechanical or Biological Filtering for Super-Clean Water
Pondmaster BioMatrix Filters & Falls

Pondmaster BioMatrix Filters & Falls

  Icons SKU Container Capacity Max Pump Flow Waterfall Width Dimensions (WxDxH") Add
02478
1 Gal
950 GPH
8" Opening
9" x 12" x 8"
02468
1.5 Gal
2,000 GPH
11-¼" Opening
12" x 15" x 9"
02480
4 Gal
3,000 GPH
16" Opening
16" x 18" x 13"
  • Extra-Wide Spillway for Greater Water Aeration
  • Open Swirl Chamber for Even and Efficient Water Flow Through the Filter Media
  • Easily Buried In Ground To Hide Filter from Sight
  • Holds More Friendly Bacteria to Help Filtration
  • Made of High Impact ABS
  • Extra Long Weir Lip for Stacking Stones in Front of Waterfall
  • Pre-Bored Inlet Size of 2-½"
  • Packed Individually
Pondmaster Waterfall Box

Pondmaster Waterfall Box

  Icons SKU Container Capacity Max Pump Flow Waterfall Width Dimensions Add
02477
1 Gal
950 GPH
8" Opening
8.75" x 12" x 6.5"
02479
1 Gal
950 GPH
8" Opening
8.75" x 12" x 6.5"
Out of Stock
 
33080
4 Gal
3000 GPH
16" Opening
16" x 18" x 13"
02467
1.5 Gal
2000 GPH
11-¼" Opening
12.75" x 12.25" x 8"
02481
4 Gal
3000 GPH
16" Opening
16" x 18" x 13"

The Anjon Waterfalls easily adds a professional and dramatic display to your water feature. Made of durable UV resistant, high impact plastic. 

Anjon Manufacturing Waterfalls

Anjon Manufacturing Waterfalls

  SKU Add
APF-16
Anjon Manufacturing 10" Waterfall
$60.00 $42.00 | 105 Points
ANJ10

The first expandable waterfall spillway on the market! Custom design the width of your feature - waterfalls up to 34′ wide have been built using this system. These waterfall spillways have a plastic grating just below the water level that not only keeps the walls from bowing when buried in the ground. 

  • Straight spillways of 18″, 34″ and 50″
  • Included dual bulkheads allow water from either or both ends. A plug is also included.
  • Designed to sit inside the liner - eliminating any concerns of leaking. 


EasyPro PRO-Series Straight Modular Waterfall Spillways

EasyPro PRO-Series Straight Modular Waterfall Spillways

  Icons SKU Dimensions Inlet/Bulkhead Add
EWS18
21"W x 16"D x 18"H
2"
EWS34
37"W x 16"D x 18"H
2"
EWS50
53"W x 16"D x 18"H
3"
EasyPro 16" Straight Extension Module
$149.99 $134.99 | 337 Points
EWE16
16"W x 16"D x 18"T
-
EasyPro 16" Inward Curving Extension Module
$149.99 $134.99 | 337 Points
EWI16
16"W x 16"D x 18"T
-
EWLR3
21"W x 16"D x 18"T
-
EasyPro 16" Outward Curving Extension Module
$164.99 $148.49 | 371 Points
EWO16
24"W x 16"D x 18"T
-

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