The Solvent Trap Tube Kit consists of an outer tube and replacement cups of various sizes inside. cups are commonly available in A Cell, B Cell, C Cell, D Cell and so on. The cups can be replaced individually whenever there is damage, which greatly increases the life of the solvent trap. A wide variety of solvent trap tube kit material options are available to you. For example, 7075 aircraft grade aluminum, 304 stainless steel, GR5 titanium. Bringing you the best quality experience in a variety of price ranges.