STEP 1: Removing Cartridge.
![](https://belluscura.com/wp-content/uploads/guide_images/cartridge_replacement_01a.jpg)
Turn off the X-PLORTM by pressing the power button for 2 seconds.
![](https://belluscura.com/wp-content/uploads/guide_images/cartridge_replacement_02a.jpg)
Remove the X-PLOR from the carrying bag, if applicable.
![](https://belluscura.com/wp-content/uploads/guide_images/cartridge_replacement_03a.jpg)
Remove the battery from the X-PLOR.
![](https://belluscura.com/wp-content/uploads/2023/10/cartridge_replacement_04a.jpg)
Place the X-PLOR on its side to access the underside of the POC.
![](https://belluscura.com/wp-content/uploads/guide_images/cartridge_replacement_05a.jpg)
Pull the cartridge out of the POC by pulling on the
cartridge pull handle.
![](https://belluscura.com/wp-content/uploads/guide_images/cartridge_replacement_06a.jpg)
Remove the cartridge completely from the X-PLOR and throw away
STEP 2: Installing Cartridge.
![](https://belluscura.com/wp-content/uploads/guide_images/quick_start_guide_01.jpg)
Remove cartridge from mylar bag. The new cartridge has a dust cap on top. Remove the dust cap. Make sure there is no dust or debris where the dust cap was located.
![](https://belluscura.com/wp-content/uploads/guide_images/cartridge_replacement_02b.jpg)
Insert new cartridge top first into the X-PLOR. Do not leave the cartridge ends exposed; the cartridge should be inserted into the X-PLOR as soon as the used cartridge is removed.
![](https://belluscura.com/wp-content/uploads/2023/10/cartridge_replacement_03b.jpg)
Push the cartridge into the X-PLOR so it is fully inside.
![](https://belluscura.com/wp-content/uploads/guide_images/cartridge_replacement_04b.jpg)
The cartridge pull handle should lay flat once the cartridge is secured.
![](https://belluscura.com/wp-content/uploads/2023/10/cartridge_replacement_05b.jpg)
Connect charged battery to the X-PLOR.
![](https://belluscura.com/wp-content/uploads/guide_images/cartridge_replacement_06b.jpg)
Turn on the X-PLO₂R by pressing the power button for 2 seconds. Set the flow setting to your prescribed setting and use normally.