Plumbing
Pipe Small Wall 1x3 Yellow
While not as sturdy as solid concrete, iron constructions have high structural integrity, requiring fewer support pillars.
Drops when destroyed
Iron× 1-2
Short Iron Pipe× 1
Where to find (12 POIs)
Champions Coliseum (tier 5), Correa Rockworx (tier 5), Dr. Karen Higashi Residence (tier 5), Navezgane Corrections (tier 5), Navezgane General Hospital (tier 5), Pipeline Gas Co (tier 4), Water Treatment Plant (tier 4), Bob's Boars & Carl's Corn (tier 3), Three Dollar Store (tier 3), Hooligan's Corner (tier 2), Duck Station (tier 1), Northline Inspection Depot.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.