Clearly Better Flavour. Clearly Longer Lasting. The NASTY ClearTech 38K dual-mode clear tank disposable is engineered to maximise taste intensity and deliver consistent, long-lasting satisfaction. By removing cotton absorption, ClearTech devices deliver cleaner, purer, and bolder flavours—never muted. Enjoy full-bodied taste from the first puff to the last, lasting 10% longer than regular disposables.