l-factor-46-series-absorbent

Ratings are expressed as a code: The first two characters (letters) designate the typical application for that cartridge or "application indicator"

• BR = Breathing Air
• DR = Air/Gas Drying
• CL = Air/Gas Cleaning
• DD = Air/Gas Sweetening
• CM = Carbon Monoxide Removal
• CD = Carbon Dioxide Removal
• ND = Inert Gas Drying
• NG = Natural Gas Drying
• PA = Particulate Removal
• OY = Oxygen

The numerical character (digits) designate the performance scale - with a range of 1 to 10 we'll call this the"Performance Rating".

• 1 = Poorest
• 5 = Standard
• 10 = Best