Triple Matrix Percolator Glass Water Pipe 15"Triple Matrix Percolator Glass Water Pipe 15" This Triple Matrix Percolator Glass Water Pipe is the ultimate smoke filtration weapon. Standing at a mighty 15 inches, this scientific glass creation has advanced filtration capabilities thanks to its trio of matrix percolators. Key features: Height: 15" Diameter: 4. 7" Percolator: Triple Matrix Percolators Comes with bowl (Not Pictured) The 90 degree fixed downstem is where the smoke enters and is