If introduced as liquid--invert container--yes it can be added to an existing charge of r-22 freon.
No
ef-22a is a hydrocarbon refrigerant that replaces R22
No
Wal-Mart do not have r22 freon, this is a false ad.
NO
You cAnt sorry
No
no.
No
R22 - Can be easily replaced with the hydrocarbon version EF-22a. Made by ecofreeez.
Is r-22 Freon compatible with r-134a freon?
No