... ” (inch) in diameter, SUS#304 stainless steel 3.2 Switch: Stay-open ball valve, SUS#304 stainless steel 3.3 Pull rod: Adjustable up ... ) in diameter, SUS#304 stainless steel 4.2. On/off switch: Stay-open ball valve, SUS#304 stainless steel, manual switch 4.3. Eye wash: ... Outside bowl made of 1.0mm thickness in stainless steel #304 and polished ...