4” Stainless Steel Sight Glass

Stainless Steel Sight Glass. Window material: borosilicate glass

Max. Temperature: up to 120 ℃. Our 4 inch Sight Glass with Tri-Clamp Ends is strong and solid, best high quality. Does not include tri-clamp and gasket.

Use with our Bubble Plates if you are aiming for a high percentage ABV.