Watts LFN55BM1 U S 1 IN Part of the LFN55B M1 Series ZA100F 2NH The 40 mil thick liner The 40 mil thick liner is more flexible and conforms easier to the shape of the ditch while the 60 mil thick liner provides additional puncture resistance but at the cost of being slightly less flexible 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 3 4 IN Outlet Connection Type Socket Outlet Thread Type Does Not Apply To Product Part Number 0125315 Series LFN45B Standard Reduced Pressure Setting BAR 4 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 1 IN Outlet Connection Type Female Threaded Outlet Thread Type NPT Part Number 0009640 Series LFN55B M1 Standard Reduced Pressure Setting BAR 3 UPC 098268334289