We have a Husky baby stroller and need to buy the inner tubes front and back and we don't know where to find them and the right size. Could you advise please?
My best suggestion is to find a good, larger bike shop around you - they should be able to help you with the right size and even installation, normally.
Otherwise, you need to contact the manufacturer and/or a distributor and ask those about spare parts. More about spare and replacement parts for strollers here in this article.