What is the size of the all thread rod used to hold the fittings across the glass section?
Tri-Clamp Sanitary Short Sight Glass Stainless 304- Various Sizes - 1.5", 2", 3", 6", 12"Sight Glasses
" Our USA Lab Sight Glasses are made of 304 Stainless Steel with Borosilicate glass. The Tri Clamp Sight Glass allows for viewing of the material</strong&
" Our USA Lab Sight Glasses are made of 304 Stainless Steel with Borosilicate glass. The Tri Clamp Sight Glass allows for viewing of the material</strong&