How to pronounce “frees”(noun) in English

I sold 50 gluten-frees a week two and 1/2 years ago.

into the frees and the premiums requires understanding exactly where are people are willing to pay more.

We don't put our gluten-frees in the same oven, which you really shouldn't do.

Do you put your gluten-frees in the same oven?

My friend recently told me that in her kid's pre-K class there were four peanut allergies, one strawberry allergy, two gluten frees