The Norgren Pneufit D straight pneumatic push-in fitting (PIF) tube end expander/reducer is a versatile component that allows you to connect tubes of different sizes in your pneumatic system. It smoothly transitions between larger and smaller tubes while ensuring a tight, leak-proof seal. Made from durable Acetal plastic, this fitting is well-suited for applications in food, beverage, medical, and water industries due to its corrosion resistance and reliability. Its straightforward design simplifies installation and maintenance, making it an ideal choice for efficient and dependable pneumatic connections.