Rated 4 out of 5 stars.
Keep an eye on your compressor's oil level the easy way with these replacement sight glasses.
This pack gives you two brand-new, silver-colored metal oil sight glasses.
They have a standard G3/4 male thread, making them a common replacement for a lot of air compressors and other machinery.
It's always good to have a spare, and at this price, it's a no-brainer.
No more guessing if you have enough oil—just a quick glance and you're good to go.
