Additional Information

CONCRETE Pipe DN (mm)

up to 300 = Small Headwall,  up to 450 = Medium Headwall,

up to 900 = Large Headwall,  up to 1500 = X Large Headwall

 

PLASTIC Pipe DN (mm)

up to 375 = Small Headwall,  up to 600 = Medium Headwall,

up to 900 = Large Headwall,  up to 1600 = X Large Headwall