Initially, I just purchased online, but ordered the wrong part. I called and talked to a real person, who helped me order the correct part and offered a reasonably priced return shipping label. That was a welcome change from other recent online purchase interactions.
1" Sightglass for Puma Compressors
Brand new 1" Puma Oil Sight Glass. This sight glass with a pre-installed o-ring and is an OEM replacement part for Puma air compressors. This is a high-quality replacement sight glass that comes with the o-ring pre-installed. There is a red circle mark on the center of the sight glass to show you your oil level, and it is very easy to read. This is the newer metal version that will also replace the older all-plastic version as long as it has 1" straight threads (which measure about 1-1/4" in diameter).
Features and Specifications:
• Brass Construction
• 1" Straight Threads (Measure about 1-1/4" in Diameter)
• O-Ring Included and Pre-Installed
• Red Oil Level Marking