- Sight glass allows the pumper and water hauler to see what is flowing through heat-treaters, separators, and storage tank drain lines at all times
- This type of plastic has more than 30 times the impact resistance of safety glass and withstands prolonged exposure to ultraviolet rays
![Gearench Petol Sight Glasses, 4 in x 8 in, 1 EA, #SG05004 Gearench Petol Sight Glasses, 4 in x 8 in, 1 EA, #SG05004](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/236868/340891/306-SG0500-4__61890.1593180570.jpg?c=2)