[10-/11-Series, Clean Series]
・ Suitable for clean environment
・ It prevents dust generation in the cleanroom
[20-Series Copper/Fluorine-Free Specifications]
・ It can be used in environments where copper and fluorine materials should be avoided
・ External dimensions are the same as standard products
[21/22-Series, copper / fluorine / silicone-free + low dust generation]
・ This product can be used in environments with restrictions on copper-based, fluorine-based, and silicone-based materials
·The structure is the same as the clean series (Grease and packaging form are different from the clean series.)