Here are some general features and specifications you might expect from the Hoover HSB350-S or a similar 350L upright fridge:

1. Capacity: The model number "350L" might suggest a large capacity of around 435 liters.

2. Upright Design: Upright freezers typically have a vertical design, making it easier to organize and access frozen items compared to chest freezers.

3. Frost-Free Operation: Many modern upright freezers are frost-free, meaning they have automatic defrosting systems that prevent the buildup of ice and frost.

4. Adjustable Shelves and Storage Bins: The freezer likely features adjustable shelves and storage bins to accommodate items of various sizes and shapes.

5. Temperature Control: Expect temperature control features that allow you to adjust the freezer's temperature to suit your needs.

6. Energy Efficiency: Look for energy-efficient features such as high-quality insulation and energy-saving modes to help reduce electricity consumption.

7. Reversible Door: Some models may offer a reversible door option, allowing you to change the door's swing direction for better accessibility in your kitchen or storage area.

8. Alarm System: Some upright freezers come equipped with an alarm system that alerts you if the door has been left open or if the internal temperature rises above a safe level.

9. Interior Lighting: Interior lighting makes it easier to see and locate items inside the freezer, especially in low-light conditions.