Features: - Made from UV resistant linear low density polyethylene (LLDPE). - Designed to Withstand Impact & UV Resistance. - Corrosion resistance and weather resistance. - Protects your engine from additional filtering. - Suits Any Snorkel that Take 3.5" Diameter Inlet. Product details: - Internal Diameter: Approx. 3.5'' - Color: Black - Size: As the picture shows - Material: LLDPE - Compatibility: Universal Package contents: 1 x Snorkel Head .