These cartridges are compatible with the housing from and XL Starter Kit. This 12-pack of refill cartridges will last ~240 loads.

When you purchase a refill pack from Celsious, you'll be eligible to return used cartridges to us in NYC. A complimentary return shipping label will be included in your shipment.

Subscription options:

Choose "Annual Subscription" if your household goes through approximately one cartridge per month. Choose "9 mo Subscription" if your household goes through a 12-pack in approximately 9 month's time. Choose "15 mo Subscription" if your household takes more than a year to use up 12 cartridges.