Stainless Congrevape Competition Cap Super Wide Bore drop caps now available at The Vaping Buddha! These replace the top cap and driptip of some of the most popular RDA's on the market... Tobh v2.5, Vulcan RDA, VLS Crest Cap, CIA Halo Cap, Doge RDA... HUGE airflow and clouds, easy dripping, heat sink built into cap, and no hot juice in your mouth thanks to the Bernoulli principle! A cloudchasers dream! At $18 it's a no-brainer upgrade to your favorite dripper :) 615 W Orange Av South San Francisco CA