✅ Tested very long-time period overall performance: Many years of use in HVAC and refrigeration systems have recognized R-22 as The most stable and trusted refrigerants ever made. In spite of creation bans on new R22, reclaimed and certified provides are still supplied in familiar cylinder dimensions. At Refrigerants Centre, https://r407c-refrigerant-for-air78888.bligblogging.com/38761409/the-ultimate-guide-to-r22-refrigerant-gas-cylinder