Where can you buy products of the brand Pringles® in Heathrow?

Pringles can also be found in these cities:

Feltham Greenford Harefield Harrow Hayes Isleworth London Mitcham Moffat Shepperton Staines Sunbury-on-Thames Surbiton West Drayton invalidcity

You can also find this in Heathrow:

Spirits Confectionery Wine Tobacco Vegetables Fruit Snacks Frozen Food Eggs Soft Drinks