Gregoriou Brothers Refrigeration Since 1979. 410a, R410 Refrigerant, 5 lb. Top off your system with this 5 Lb. Recharging your system is super easy with this nice convenient 5 Lb. (1) Test gauge and Charging Hose kit with R410a system adapter. Great for new installs , R410a Mini Split Systems, R410a Heat Pump Systems or […]