Costco has flagged nearly a dozen recalled products, including power banks, air conditioners, and food items, posing safety risks.

Costco accepts most returns without time limits, though there are some exceptions. Electronics have a 90-day return window. Cigarettes and alcohol may not be returned where it’s against the law. Airline and live performance event items, ticket items, precious metals, Shop Cards and gift cards are not returnable.

A warning to some Costco customers: The company has recalled nearly a dozen items in recent months. It’s urging shoppers who have bought the products to stop using them immediately. They include the Danby 8K U-shaped window air conditioner. The product may have been sold under other names such as Comfort Aire or Keystone.