Comparison : Item # 5400-S2-4, 5400 Series/ Low Air Inclusion Refrigerant
Item # 5400-S2-8, 5400 Series/ Low Air Inclusion Refrigerant
Item # 5400-S2-12, 5400 Series/ Low Air Inclusion Refrigerant
Item # 5400-S2-16, 5400 Series/ Low Air Inclusion Refrigerant
Item # 5400-S5-4, 5400 Series/ Low Air Inclusion Refrigerant