Stainless Steel Tri-Clover Sight Gauge Adapter - 1.5” TC
Perfect for adding a sight glass with an 11/16" connection to any system with a 1.5" tri-clover port.
Attaches using a tri-clover clamp and gasket (not included).
This type of sight gauge adapter even allows you to control the flow going through your sight glass, so you'll never end up with any wort trapped in your sight glass.
The outside diameter of the flange is 1.98".