For quality and dependability, count on Grainger for your AC refrigeration supply. Find the right refrigerant for your system, from R-22 to R-401a. Measure the refrigerant pressure in your system with a new manifold gauge. If your HFC, CFC or HCFC pressure is dropping and you don't know why, invest in a halogen leak detector. Whether it's an ice maker, coil cleaner or refrigerant recovery machine Grainger has the tools, machines and parts to keep your AC refrigeration cycle at peak efficiency.