Unequal Tee model no.EV01056 is manufactured in the KF size 50/40 having dimensions 70,65,75,55,50.8,38.1 respectively.Unequal tees are composed of 304 stainless steel material. The product assemblies consist of two flanges, a centering ring, and an aluminum clamp. A constant supply of pressure on the clamp generates a vacuum seal. The mating flange surfaces compress the O-Ring, which is fixed in place by a metal centering ring, to produce vacuum seal.