Sight glasses by Morsello are manufactured using Garolla, gas and DIN that is oenological threaded, as well as tri-clover and flanged ends. The tightening and seat bolts are made of stainless steel, AISI 304 garde, while the seal ring of the seats is PTFE, with a transparent tube of acrylic glass. It is possible to manufacture these products from standard sight-glasses, and if required, users should ask the manufacturer.