Febi Bilstein Air Filter Intake Hose - 47380. This part is designed to be used as originally intended and not modified for purpose. Please ensure the products are installed by a competent individual. N.B. products are usually supplied without fitting instructions. Brand: Febi Part Number: 47380 Material: Plastic, PA (polyamide) Outer diameter: 79 mm Inner diameter: 66.5 mm Colour: Black Weight: 0.32 kg Hose Length: 30 mm Extra Description: febi Plus Type: Intake Hose, air filter