SP4000 Observation Window
- Diameter: 4 in
- Housing: Aluminum
- Housing Finish: Black Anodized
- Seals: Silicone
Our SP4000 observation window, also known as a sight glass or view port, is much larger than other observation windows available on the market. It’s large size allows the user to shine a light and look through the window simultaneously, which is not possible with smaller sizes. It is provided with o-rings and a mounting nut for a hermetic seal.
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Material: Aluminum
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Diameter: 2 in Housing: Aluminum Housing Finish: Black Anodized