AutoLine Pro Cone and Plugs 2 in 1 Adapters for Automotive Smoke Machine Leak Testing & Cap Function CarbonNitrile™ Patent Pending

2-IN-1 FUNCTION: CONE for injecting smoke into larger openings for automotive leak testing. CAP PLUGS for blocking off openings that smoke will escape from. VERSATILE SIZES: Max diameter 3.75" [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. 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. CARBON NITRILE: Extremely durable and highly resilient to wear and tear. PATENTED PRODUCT: Intelligently Designed. Stacks and stores neatly. THREE-YEAR WARRANTY!: You're fully covered from all manufacturer and operational defects. We're right here in the United States and will replace your unit or parts - fast and hassle free :)