12" Hickenbottom Top, 1 1/4" Holes, Section 1 | Agri Drain It fits outlet ODs from

It fits outlet ODs from 35" to 36

and is not designed for Corrugated HDPE Drainage Pipe

this riser has 3 1/2' of 1" holes at 24 holes per foot for increased open area and intake flow

This 15" collar fits on the outside of Corrugated HDPE Drainage Pipe and holds the grate flush inside the collar

12" Hickenbottom Top, 1 1/4" Holes, Section 1 | Agri Drain It fits outlet ODs fromPlastic top section for 12" Hickenbottom intake applications. This 42" tall Section 1 piece with molded cap contains 72 1 1 4" holes per foot, includes a built in restrictor, snaps together with other Hickenbottom parts, and meets ASTM F405 specifications.