80mm diameter fresh air ducting hose to suit 750 & 101 Series Spiders and Sprints. This is 80 cm long approximately. Used on both sides of car on Sprints and Spiders except for 101 1600 Normale Spiders, some of which used a shorter hose available under item code 750-085/1 on one side of the car, while some use a longer style hose available under item code 750-085/3.