![](http://carbon8water.com/cdn/shop/files/title1_{width}x.png?v=1706941144)
![](https://cdn.shopify.com/s/files/1/0561/7578/8055/files/hyd-cycle-title.png?v=1707121300)
- Only $15 per exchange cartridge
- Click-free exchange
- No monthly fee or binding period
- Free shipping
![](https://cdn.shopify.com/s/files/1/0561/7578/8055/files/hyd-image.png?v=1707121301)
![](http://carbon8water.com/cdn/shop/files/faq-tiitle_{width}x.png?v=1707114470)
2 empty cylinders can be exchanged at a time with our exchange box. We recommend owning a total of at least 3 canisters. That way, you can always have one in your machine, even as you're sending your other 2 empties in to be refilled.
2 empty cylinders can be exchanged at a time with our exchange box. We recommend owning a total of at least 3 canisters. That way, you can always have one in your machine, even as you're sending your other 2 empties in to be refilled.
2 empty cylinders can be exchanged at a time with our exchange box. We recommend owning a total of at least 3 canisters. That way, you can always have one in your machine, even as you're sending your other 2 empties in to be refilled.
2 empty cylinders can be exchanged at a time with our exchange box. We recommend owning a total of at least 3 canisters. That way, you can always have one in your machine, even as you're sending your other 2 empties in to be refilled.
2 empty cylinders can be exchanged at a time with our exchange box. We recommend owning a total of at least 3 canisters. That way, you can always have one in your machine, even as you're sending your other 2 empties in to be refilled.