You can purchase cleaning guns, such as the Tornador or other similar models, from several sources:

1. Online Retailers: Websites like Amazon, eBay, Alibaba, and specialized automotive detailing supply stores often carry a variety of cleaning guns. They offer a range of options and competitive pricing.

2. Automotive Supply Stores: Local automotive supply stores, especially those specializing in car detailing products, may stock cleaning guns. Visit stores like AutoZone, Advance Auto Parts, or specialized detailing shops in your area.

3. Direct from Manufacturers: Many cleaning gun manufacturers have their own websites where you can purchase their products directly. This ensures you get genuine products and may offer direct customer support.

4. Wholesale Distributors: If you are purchasing in bulk or for commercial purposes, wholesale distributors specializing in automotive tools and equipment may offer competitive pricing and bulk discounts.

5. Trade Shows and Exhibitions: Industry trade shows and exhibitions often feature vendors and manufacturers showcasing their latest products, including cleaning guns. This can be an opportunity to see demonstrations and compare different models.

6. Local Dealerships and Workshops: Some car dealerships and professional detailing workshops may also sell cleaning guns or recommend where to purchase them.

Before purchasing, consider factors such as product reviews, warranty options, return policies, and customer support availability to ensure a satisfactory buying experience.