![Oil Liquid Level Gauge Sight Glass 3/4 NPT Male Threaded 304 Stainless Steel Air Compressor Fittings - Walmart.com Oil Liquid Level Gauge Sight Glass 3/4 NPT Male Threaded 304 Stainless Steel Air Compressor Fittings - Walmart.com](https://i5.walmartimages.com/asr/72716ddc-72ad-4ff9-b9c3-208aa6fe9f25.b84a297ac1c71f35fcd3e6b5fbdcd38b.jpeg)
Oil Liquid Level Gauge Sight Glass 3/4 NPT Male Threaded 304 Stainless Steel Air Compressor Fittings - Walmart.com
![AC Fitting - Steel Straight In-Line Sight Glass #6 5/8-18" x #6 5/8-18" (1361030) - AC Parts for Auto, Truck, Off-road, AG, & Farm AC Fitting - Steel Straight In-Line Sight Glass #6 5/8-18" x #6 5/8-18" (1361030) - AC Parts for Auto, Truck, Off-road, AG, & Farm](https://www.acparts.com/wp-content/uploads/2019/02/1361030.jpg)
AC Fitting - Steel Straight In-Line Sight Glass #6 5/8-18" x #6 5/8-18" (1361030) - AC Parts for Auto, Truck, Off-road, AG, & Farm
GRAINGER APPROVED Sight Glass, Moisture Indicator, 7/8 x 7/8 Fitting Size, Sweat, 5 5/8 in Overall Length (In.) - 6AWU6|6AWU6 - Grainger
![MTMTOOL Air Compressor Fittings 2-Pack Aluminum Alloy Oil Level Gauge Sight Glass G1 Male Threaded Diameter - - Amazon.com MTMTOOL Air Compressor Fittings 2-Pack Aluminum Alloy Oil Level Gauge Sight Glass G1 Male Threaded Diameter - - Amazon.com](https://m.media-amazon.com/images/I/61jbm7rRX0L._AC_SL1500_.jpg)