Human Grade The Skull Ash CatcherCompatible with: Human Grade Standard Flower Bowls, Any 14mm Water Pipe or Bong The Human Grade Skull Perc Ash Catcher brings bold style and smooth function with its detailed skull perc and striking color accents. Made from durable glass, it helps keep your water pipe cleaner while adding personality to every session. Size: 4" Tall Joint Angle: 45 or 90 Joint Size: 14mm Skull Perc Color Accents Includes: 1 x Human Grade The Skull Ash Catcher 1 x Human