Features: 

Universal outlet built-in for cost savings
A unique debris trap catches debris and silt and reduces pipe clogging risk. Cleans easily by lifting out
Rating for Class "B" loads
61 - 175 psi loads
Medium-duty pneumatic tire traffic, autos and light trucks traveling less than 20 mph are recommended
This includes:
(1) Part No. 12.5"L x 12.5"W x 7"H Round Catch Basin with Bottom Outlet, FSD-120-RCB
(1) Part No. The FSD-120-RST is a 12", round debris trap measuring 11.25" in length, 11.25" in width, and 2.5" in height.
(1) Part No. The FSD-124X-RF is a 12" Round Flat Grate with a 12" Long, 12" Wide and 1" High Dimension
Fits the Following: 
Sewer and drain pipes of 3" and 4"
Corrugated pipes of 3" and 4"
Pipes with a triple wall thickness of 3" and 4"
The schedule 40 pipe is 4 inches in diameter

Description:

Water flows from wet areas in yards, lawns, fairways, and sports fields can be collected with this device. Also suitable for patios, garages, and driveways.