Bronze Y-Strainers are devices for mechanically removing unwanted solids from liquid, gas or steam lines by means of a perforated or wire mesh straining element. They are used in pipelines to protect pumps, meters, control valves, steam traps, regulators
Vintage Design - Not only is the simple and compact design makes thick frame looks very delicately, but also the Square shape frame makes the overall look of the sunglasses more retro.