Aluminum Base Residential

Designated Pipe Sizes
Min 1/4" - 3" (6.34mm - 76.2mm)
#1 3" - 8" (76.2mm - 203.2mm)
#2 8" - 11" (203.1mm - 279.4mm)
#3 11" - 18" (279.4mm - 457.1mm)