Borosilicate Tri-Clamp Sight Glass Kit cloning-&-seed-starting Flavonoids are 15 carbon compounds

Flavonoids are 15 carbon compounds that are found in vascular plants

Dual-Ball Bearings and Versatile Placement: Equipped with dual-ball bearings

The OnliSoft media is non-absorbent and will work for a lifetime

The Mini Standard System comes all-inclusive with the largest hopper in the industry

Borosilicate Tri-Clamp Sight Glass Kit cloning-&-seed-starting Flavonoids are 15 carbon compoundsBorosilicate Tri Clamp Sight Glass Kit ***Note:(Only comes with 1 sight glass.) FOR 2" Version please see our upgraded sight glass NESG200 3 piece borosilicate sight glasses offer a greater chemical resistance, viewing area, and cleanability compared to a traditional sight glass such as polycarbonate or Metaglas sight glasses. These Tri Clamp sight glasses consist of 3 pieces: the borosilicate glass disc, Viton or Silicone gasket, and custom tri clamp