This smell comes from the sulfur in a blend that is unrefined or from an additive called ‘mercaptin’ which some companies add for the odor itself. Enviro-Safe carries a guarantee that Enviro-Safe Industrial R134a Replacement Refrigerant will not harm air conditioning, compressors or other related mechanical equipment when used in accordance with Enviro-Safe directions. Enviro-Safe does not contain the “rotten egg, sulfur, propane” odor. This product cannot be shipped to Alaska, Hawaii, or any overseas country except in pallet quantity. Aazon.co: R134a Replaceent with Stop Leak, 4 Cans Total with... The low pressure port is generally the larger diameter line from compressor. Buy Kozyvacu R134a Refrigerant Self-Piercing Can Tap Valve with 1/4 Enviro-Safe R134a Replacement with Dye can be used in all R134a applications, including pre-1994 automotives that have complied with the US EPA Snap regulation. This means our products are consistent each and every time our customers use them! The products we market have been perfected over the years, and are pharmaceutical grade, highly refined and computer blended to within 1/4 of 1% by a major American petrochemical supplier. Portable, Manual Operation. Included Components: Piston Ring Compressor. Maximum Power Overcharging the system may clearing the sight glass might affect cooling ability and performance and may damage the A/C compressor. DO NOT PULL A VACUUM ON THE A/C SYSTEM. If you are charging something like a dual air system in an SUV, you need to use the Industrial 134a replacement. If no leak is detected, turn compressor on high, add additional product to achieve correct pressure. If leak is detected, ventilate area, evacuate system, repair leak and install new product as instructed above. 9. If pressure and temperatures are correct, shut off compressor and engine, disconnect gauges; install service port caps and system label in clearly visible area. DO NOT OVERCHARGE. Equivalent Efficiency: One 8 ounce can is equivalent to 21+ ounces of 134a These PSIG pressures are not the operating pressure. DO NOT EXPOSE TO ANY IGNITION SOURCE. 8. This product is flammable to open flame/spark and should be leak tested with dye charge, UV glasses, an electronic hydrocarbon leak tester or soap bubbles. This is the original Enviro-Safe Refrigerant that we first introduced over 20 years ago. Enviro-Safe R134a Replacement Refrigerant also meets international standards such as—ISO 5149, BS 4434-1995, AS/NZS 1677 and ASHRAE 5149. DIRECTIONS FOR USE NOTE: You must check and repair all leaks before charging! 1. Shut off compressor. 2. Recover existing refrigerant into suitable container. 3. Check for any leaks in the A/C system. 4. Connect gauges and hoses with compressor off. 5. Do NOT charge this product in a vacuum state. 6. To install product, invert can and install product liquid on low-pressure side. 7. After minimum charge, test system for leaks. Offers improved cooling properties and performance Compatible with most refrigerant oils Non Ozone depleting Non Global warming R134a can thread Use up to 60% Less Made in America! R134a Refrigerant Recharge Kit Super Tech Auto R-134a Refrigerant With Stop Leak, Self-sealing, 3 Oz Pack Of 1 Vehicle Type Specific Car Ac Recharge Kit Operates at lower head pressure If you use the R134a Replacement with Dye, you cannot pull a vacuum because the product comes in a less expensive can to keep costs lower for the customer. This product hase a 134a Piercing Valve, a Can-Tap, Gauge, Cahrging Hose, or Manifold is required to pierce the valve on the can. The Temperature Pressure Chart is specific to the temperature of refrigerant when inside of the a/c system. The Temperature Pressure Chart displays the readings to charge on manifold gauge, to your a/c systems to refrigerant. We are sure you are aware of other companies that market hydrocarbons that contain the “rotten egg or sulfur odor”. Enviro-Safe R134a Replacement Refrigerant is highly refined! Flammable to an open flame or spark, proceed with caution if used in systems designed for non-flammable refrigerants. This product includes stop leak to lubricate the Orings. Restore Original Cooling: Bring your A/C performance back to its original cold air state. Please refer to the manufacturer's specification prior to recharging the a/c system for proper pressures.