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Square Catch Basins

9”, 12”, 18” and 24” Square Catch Basins

More Sizes, Styles and Options

NDS offers square catch basins in 9”, 12”, 18” and 24” sizes and more grate options than anyone else, including decorative options in plastic and metal. Basins are also available as complete kits that provide everything you need to install.

Square Catch Basin Accessories

Square Catch Basin Accessories

Square Catch basin filters are available for 9” and 12” basins to prevent dirt and debris from clogging the system. And, a new downspout grate sheds debris and prevents splashing and runoff overshoot.

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NDS 900DSG - 9" Downspout Defender Grate

$35.00
$35.00 - $35.00
$35.00
$24.50
$24.50 - $24.50
$24.50

NDS 9-inch Downspout Defender Grate Model 900DSG Installing catch basins under downspouts is a best practice for managing stormwater and protecting...

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NDS 1266 - 6" Universal Locking Outlet for 9" to 24" Catch Basins

$12.07
$12.07 - $12.07
$12.07
$8.45
$8.45 - $8.45
$8.45

6" Universal Locking Outlet (fits 9" sq., 12" sq, 18" sq. Basins) Fits Dura Slope Catch Basin   Fits 6" Sewer and Drain Pipe, 6" Corrugated Pi...

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NDS 1243 - 3" & 4" Universal Outlet for 9" to 24" Catch Basins

$9.00
$9.00 - $9.00
$9.00
$6.30
$6.30 - $6.30
$6.30

3" and 4" Universal Locking Outlet (fits 9" sq., 12" sq, 18" sq. Basins) Fits Dura-Slope Catch Basin   Fits 3" & 4" Corrugated pipe, 3" & 4...

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NDS 1206 - 6" Universal Catch Basin Plug for 9" to 24" Catch Basins

$7.21
$7.21 - $7.21
$7.21
$5.05
$5.05 - $5.05
$5.05

6" Universal Basin Plug (fits 9" sq., 12" sq, 18" and 24" sq. Basins)

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NDS 1245 - 3" & 4" Offset Universal Outlet for 9" to 24" Catch Basins

$10.50
$10.50 - $10.50
$10.50
$7.35
$7.35 - $7.35
$7.35

NDS 3 in & 4 in Offset Universal Outlet Fits 3" & 4" Corrugated pipe, 3" & 4" Sewer and Drain Pipe, 4" SCH. 40 Pipe, 4" Triple Wall ...

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NDS 1241 - 3" & 4" Universal Outlet Adapter w/ 4" Spigot

$9.93
$9.93 - $9.93
$9.93
$6.95
$6.95 - $6.95
$6.95

NDS-1241 Universal 3 - 4 in. Outlet Adapter w/ 4 in. Spigot 3" & 4" Universal Adapter w/4" Spigot 1 adapter (universal). Black. Dimen...

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NDS 930 - 9" Square Catch Basin Low Profile Adapter

$35.71
$35.71 - $35.71
$35.71
$25.00
$25.00 - $25.00
$25.00

Tapered Catch Basin, Use with NDS 9" x 9" Grates, requires either #1206, #1243, #1245, #1266 Universal Outlet for each opening Material: HIPS C...

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NDS 1200FF - 12" Catch Basin Filter

$40.36
$40.36 - $40.36
$40.36
$28.25
$28.25 - $28.25
$28.25

The NDS catch basin filter helps prevent dirt and debris from clogging the drainage system. Clogged pipes reduce the effectiveness of drainage syst...

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NDS 1816 - 18" Catch Basin Riser

$170.00
$170.00 - $170.00
$170.00
$119.00
$119.00 - $119.00
$119.00

 The NDS 8" Riser For 18" Catch Basin features UV-resistant styrene construction for strength. This item is used for areas where water buildup occu...

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NDS 916 - 9" Catch Basin Riser for 9" Catch Basins & Grates

$38.71
$38.71 - $38.71
$38.71
$27.10
$27.10 - $27.10
$27.10

6" Riser for 9" x 9 Catch Basin. Styrene.  Use with 9" x 9" Catch Basin Series. Stacks on top of 9" catch basins to add up to 6" to top of basin. C...

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NDS 2418 - 24" Catch Basin Extension for 24" Catch Basins

$403.64
$403.64 - $403.64
$403.64
$282.55
$282.55 - $282.55
$282.55

The NDS 24" Catch Basin Extension is used to rise the NDS 24" catch basin 12-1/4" when buried deep in the ground. This item is made exclusively for...

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NDS 1888 - 8" Universal Locking Outlet for 18" & 24" Catch Basins

$25.14
$25.14 - $25.14
$25.14
$17.60
$17.60 - $17.60
$17.60

8" Universal Locking Outlet (use with 18" and 24" sq. Basins) Fits Dura Slope Catch Basins   Fits 8" Sewer and Drain Pipe, 8" Corrugated Pipe....

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NDS 1200DSG - 12" Downspout Defender Grate

$52.43
$52.43 - $52.43
$52.43
$36.70
$36.70 - $36.70
$36.70

NDS 12-inch Downspout Defender Grate Model 1200DSG Installing catch basins under downspouts is a best practice for managing stormwater and protecti...

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NDS 1230 - 12" Low Profile Adapter for 12" Drain Grates

$47.79
$47.79 - $47.79
$47.79
$33.45
$33.45 - $33.45
$33.45

NDS #1230, 12" x 12" Low Profle Adapter with Bayonet Bottom Outlet. Requires either #1243, #1245, #1266 or #1889 Universal Outlet for connection to...

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NDS 1830 - 18" Catch Basin Low Profile Adapter

$140.00
$140.00 - $140.00
$140.00
$98.00
$98.00 - $98.00
$98.00

NDS 18-Inch Low Profile Adapter is ideal for yard / area drains to collect surface water while minimizing the amount of debris entering the system....

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NDS 1890 Catch Basin Universal Outlet Reducer Ring

$14.07
$14.07 - $14.07
$14.07
$9.85
$9.85 - $9.85
$9.85

Universal Outlet Reducer Ring will connect outlet adapters to Catch Basins. This will allow the catch basin to connect to corrugated, sewer and dra...

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