Please choose the correct ending to complete the given sentence: Health: [header] How to store electric toothbrush heads [title] Store your brush in a travel case if it comes with one. [step] Some electric toothbrushes come with a travel case, though these models may be more expensive. Some allow you to store multiple heads in the case, so that if you are on a long trip, you can bring extra heads with you to replace them while you're gone.

Ending1: Some models let you look at your detachable head so that you can decide which one's right for you. [substeps] For example, you may be able to store your brush heads in a travel case mounted on your device. Ending2: [substeps] In some cases you might want to purchase replacement one that is plastic or glass. These plastic finishes will give you more easily replaceable bristles to use when you need them when you need to use them. Ending3: Make sure the toothpaste you use will say " pass-through " on the inside label. Some stores will only let you store your toothbrush within 10 days of your trip. Ending4: [substeps] Philips sonicare 2 series and quip electric toothbrushes both come with easy to use travel cases. [title] Get a generic travel case if your electric toothbrush didn't come with one.

Answer format: ending1/ending2/ending3/ending4