Liquid Line Filter Dryer Connection Size (In.) 3/8 Overall Length (In.) 5 1/4 in R-22 Capacity (Tons) 3 1/2 ton Type Steel Bi Flow For Use With All CFC HCFC and HFC Refrigerants Connection Solder Description Heat Pump Application R-410A Capacity 3 1/2 ton Cut Out Length (In.) 4 1/4 in