R134a Refrigerant Gas is a non-flammable substance used in the car Air-Condition cycle. In the cycle, it undergoes phase transitions from a liquid to a gas and back again for cooling purpose.


Quality product (AHRI standard certified)
Always use genuine DENSO R134a gas to prevent risk below.

| Gas Content / Source | DENSO | OE Supplier to OEM | Un-reputable Supplier |
|---|---|---|---|
| Quality |
O (Industry standard) |
O (Industry standard) |
X (Impure Gas) |
| R134a | 99.9% | 100% | 21% |
| R12 | 0% | 0% | 25% |
| R22 | 0% | 0% | 54% |
| Hydrocarbon (HC) | 0% | 0% | 1% |