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R-421A Refrigerant 25 lb.
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R-438A (MO99) Refrigerant – 25 lb Cylinder

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100% Virgin, Factory-Sealed
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Note: Cylinder color and labeling may vary depending on availability.

R-438A (MO99) is an HFC refrigerant engineered as a direct replacement for R-22 in systems with direct expansion evaporators and positive displacement compressors. With zero ozone depletion potential, it provides a more environmentally responsible option for retrofitting existing HCFC-based systems.

It is widely used in both commercial and residential cooling applications, offering reliable performance, energy efficiency, and long-term compatibility.

Each cylinder contains 100% virgin, factory-sealed refrigerant, manufactured to meet or exceed ARI-700 quality and purity standards.

Fast, reliable shipping is included with every order—at no extra cost.

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