Diffused downstem dab rigs are fitted with one of the simplest smoking filtration systems. The diffused downstems inside these dab rigs are formed in long, slender, tube-like shapes with multiple slits along the side. more..
As you inhale, smoke and water are forced through those slits, being broken down and cooled in the process. This results in a cleaner, cooler, gentler hit for you. As the smoke passes through the diffused downstem, various toxins and carcinogens contained within are removed, meaning that the smoke that enters you lungs is purer than before. Check out the full range of diffused downstem dab rigs from Big Daddy Smoke below.