PURR 14mm 7-Hole Bowl ( Smoke, Lavender, Light Blue and Clear)Breathe easy & get free flowing hits! Keep cleaner with its 7 expertly drilled holes that keep greens out of the bong and in your bowl. Ash safely stays in your bowl so your water stays cleaner. Dual wall design helps manage heat when you're going hard on your glass. Less worry when you're grabbing for your bowl to clear your hit! Preserve flavor longer. A less dirty bong means purer flavor, and happier seshes. Change water daily for peak performance