【 2-IN-1 FUNCTION】 CONE MODE for injecting smoke into larger openings for automotive leak testing. PLUG MODE for blocking off openings that smoke will escape from.

【CARBON NITRILE™】 Extremely durable and highly resilient to wear and tear.

【DUAL TAILPIPE COMPATIBLE】 Designed for OEM standard and most common 2" dual tailpipes. Plug up one tailpipe and inject smoke into the other to test for exhaust leaks.

【VERSATILE SIZES】 Max diameter 3.7" [94mm]. Min diameter tube 0.125" [3.2mm]. Fits most common tube hose sizes 1/8", 1/4", 3/8", 1/2", 3/4, 1", and more.

【PATENT PENDING】 Intelligently Designed. Stacks and stores neatly.