TJM "Droopie" Snorkel Pre Cleaner - Single Snorkel outside diameter: 3.46 (88 mm) - Snorkel internal diameter: 3 (76 mm) Suits most TJM, Airtec & Nissan Genuine. Removes 90% of dust before it reaches the main filter Does not affect engine performance - Fully serviceable - Supplied pre-oiled Single Pack