Buy R407A refrigerant 25lb cylinder online from Maxicool Refrigerants. High-quality R407A 25lb cylinder for commercial and residential cooling systems in the USA. 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.