Haden 3.5L Slow Cooker Haden 3.5ltr Slow Cooker. The Haden 3.5ltr Slow Cooker is perfect for a nice hearty home cooked meal. Slow cooking is the ideal way to make delicious, homemade and nutritious meals without the hassle, fill it up with your favourite ingredients and let it cook. This means you could prepare it in the morning and your meal will be ready for you when you get home from work. It’s perfect for a nice hearty home cooked meal. The sleek stainless-steel design will leave your kitchen looking super stylish. Size: 3.5ltr Alternatives: 4.5ltr