The stainless steel series of seals includes the SM/SF .45 and SMG/SFG .45 seals. These are used in sensitive environments, food, health and laboratories. These seals can be used when exposed to temperature, oxidizing and corrosive environments (water and moisture). These seals require regular lubrication. Integrated greasers are available from size 8 (suffix G). The current range is from size 3 to 30. For larger sizes, please contact us.