Pack of 25 replacement o rings fit nozzles and copper extensions to replace worn or damaged o Rings. These black o rings fit our 10/24 and 12/24 nozzles and copper extensions. (we only carry black replacement O-rings)
NBR or Buna-N, nitrile o rings are probably the most economical and widely used elastomer out there. This material has a desirable set of properties including low compression set, high resistance to abrasion and good tensile strength.
The o rings have a temperature range from -30 to +250 degrees Fahrenheit.