Home / Pipes and Fittings / BUTELINE / BUTELINE PB-1 Straight Inline Coupling BUTELINE PB-1 Straight Inline Coupling Size Choose an option18X18mm S10222X22mm S10418X18mm S10222X22mm S104Clear Related products BUTELINE PE Equal Tee BUTELINE PE Reducing Tee BUTELINE Barrel Nipple BUTELINE PE Equal Elbow BUTELINE PE Pipe End Plug BUTELINE PB-1 Reducing Tee