This is a combination product containing 2 medications: methocarbamol and ibuprofen. It is used to relieve pain associated with muscle spasm such as strains and sprains, back pain, and tense neck muscles. Methocarbamol belongs to a class of medications called muscle relaxants and they reduce muscle spasms. Ibuprofen belongs to a class of medications called nonsteroidal anti-inflammatory drugs (NSAIDs) that reduce pain and inflammation.
The torr (symbol: Torr) is a non-SI unit of pressure with the ratio of 760 to 1 standard atmosphere, chosen to be roughly equal to the fluid pressure exerted by a millimeter of mercury, i.e., a pressure of 1 Torr is approximately equal to one millimeter of mercury.
Low Pressure and High Pressure Readings. If you are using a low pressure gauge when the low pressure reading is between 25 psi and 40 psi, the system is fully charged. For a high pressure gauge when the high pressure reading is 200 to 225 psi for R12 or 225 to 250 psi for 134a, the system is fully charged.