Culvert

12″ diameter by 10′ long
12″ diameter by 20′ long
12″ diameter by 24′ long
12″ diameter by 30′ long
15″ diameter by 10′ long
15″ diameter by 20′ long
15″ diameter by 24′ long
15″ diameter by 30′ long
18″ diameter by 10′ long
18″ diameter by 20′ long
18″ diameter by 24′ long
18″ diameter by 30′ long
21″ diameter by 10′ long
21″ diameter by 20′ long
21″ diameter by 24′ long
21″ diameter by 30′ long
24″ diameter by 10′ long
24″ diameter by 20′ long
24″ diameter by 24′ long
24″ diameter by 30′ long
30″ diameter by 10′ long
30″ diameter by 20′ long
30″ diameter by 24′ long
30″ diameter by 30′ long
36″ diameter by 10′ long
36″ diameter by 20′ long
36″ diameter by 24′ long
36″ diameter by 30′ long
48″ diameter by 10′ long
48″ diameter by 20′ long
48″ diameter by 24′ long
48″ diameter by 30′ long
6″ diameter by 6′ long
8″ diameter by 6′ long