Buy R404A refrigerant 24lb cylinder online in USA with Maxicool Refrigerants. Genuine R404A refrigerant available for customers in Mississippi and nationwide delivery. About Company Maxicool Refrigerants is a trusted nationwide supplier of HVAC refrigerant gases, offering products such as R22, R404A, R410A, R407C, and R134a in both wholesale and retail quantities. We provide fast shipping, competitive pricing, and reliable service for HVAC technicians, contractors, and businesses across the United States.