✅ Confirmed extended-phrase efficiency: Many years of use in HVAC and refrigeration systems have set up R-22 as one of the most stable and trusted refrigerants at any time developed. As demand carries on for servicing more mature units, it’s important to know how to source refrigerants securely and lawfully. https://cesartjwjt.blogsmine.com/38262101/r134a-refrigerant-13-6-kg-disposable-cylinder-for-dummies