Alemlube 1" NPT Style BWS Oil Level Window with Reflector 

• Material: steel, glass, zinc plate finish. With Reflector
• Max working pressure / temp: 147psi / 100cA - 1.93"
• B - 1.67"
• C - 5/8"
• D - 1-1/4" E - 1" F - 5/8"