MAV Glass Recycling UFO Perc Ash Catcher. 44mm (wide) x 4mm (thick) clear glass tubing. 14mm male fitting on a 90 degree angle. 14mm female hitter fitting on a 90 degree angle. 20 Slit diffused UFO Showerhead Perc for maximum filtration. 5” tall, 1.75” wide base. “For tobacco use only.”