Zombie Head Bell Jar Water Pipe - 4.75" / 14mm FZombie Head Bell Jar Water Pipe 4. 75" 14mm F This Zombie Head Bell Jar Water Pipe stands at 4. 75 inches tall and is a unique combination of silicone and glass. Its bell jar style pipe body gives it an intriguing look, while the novelty zombie head percolator adds a touch of fun to your smoking experience. The pipe features an angled mouthpiece for comfortable use, and it comes with a 14mm male herb slide with a handle for added convenience.