Item Type: FREEZEMOD Water Tank Bubbler_x000D_ Specifications: Total Length: Approx. 25mm / 1in(including hand screw position)_x000D_ Outer Diameter: Approx. 18mm / 0.7in (hand screw position)_x000D_ Thread: Male G1/4in+female G1/4in_x000D_ Material: Brass_x000D_ Fixing Method: Hand screw1Can effectively prevent the generation of bubbles and the small volume water tank can be installed. 2Using conventional G1/4in female thread, any joint of this thread can be installed. 3Made of brass materials, which is strong and durable, has a long service life. 4Great workmanship, perfect replacement for the old one and has a long service life. 5Can be used with peace of mind, with strict quality control and quality assurance.1 x Water Tank Bubbler