Savings pack of 2 bottles of ecological refrigerant gas recharge Gasica D2 for air conditioning and refrigeration systems. Isobutane R600A effective and alternative to R12 and R134a gases. Refrigerant charging bottle suitable for domestic air conditioners, automotive, refrigerators and freezers. Includes service key. Includes 1/4 "-1/4" SAE refrigerant charging hose of 1500mm. Gasica D2 gas characteristics: Substitute for R12 and R134a gases. UN 1975 ISOBUTANE> 85%. Net weight: 226g x 2 bottles = 452g. Built-in leak detector. Seals small leaks in the air conditioning. Gas equivalencies for each Gasica D2 refrigerant bottle: 680g = R-12.590g = R-134a. For the rest of the gases, calculate approximately 40% of the current charge of the equipment. Gasica D2 ecological gas that does not harms the environment: Hydrocarbon refrigerant (HC). Non-fluorinated and non-chlorinated gas, natural, ecological and with maximum energy efficiency. 100% organic. Lower electricity consumption. Approximate energy savings of up to 30%. Less gas required for proper operation. Instructions for use Gasica D2: Connect the charging gauge kit to the equipment. Place the container facing downwards. Open the service valve. Charge the equipment very slowly to the appropriate working pressure. Precautions for use of refrigerant gas R-12 and R-134a Gasica D2: Keep out of reach of children. Store in a cool, dry place. Protect from sunlight. Do not expose to temperatures above 50ºC. Do not inhale gases from the spray. Use in ventilated areas. Do not spray on flames or incandescent materials. Do not smoke during application. Packaged under pressure. Extremely flammable L3-A3. Avoid contact with skin, causes burns.