Water Doctor COMO-R1000 Replacement Filter Cartridges – PPC / ROC
In stock and ready to ship
Before you reorder
Match the cartridge, lamp, or filter stage to your existing system before checkout so you do not end up with the wrong replacement part.
Still deciding between replacing a part and solving a broader water problem? Start here first.
Genuine replacement cartridges for the COMO-R1000 tankless RO system
Keep your Water Doctor COMO-R1000 Tankless RO System performing properly with genuine replacement cartridges. This page includes the PPC pre-filter cartridge and ROC reverse osmosis cartridge designed for the COMO-R1000 model.
Compatible system
- Water Doctor COMO-R1000 Tankless RO System
Available cartridges
- PPC cartridge for pre-filtration before the RO stage
- ROC cartridge for the reverse osmosis stage
Best for
- Customers replacing filters in an existing COMO-R1000 system
- Maintaining water taste and flow performance
- Keeping the system on a regular maintenance schedule
Maintenance note
Replacement timing depends on source water quality, household usage and system indicators. For best fit and performance, use genuine Water Doctor COMO-R1000 cartridges.
Before ordering
Please confirm your system model is COMO-R1000 before purchasing. These cartridges are not the same as COMO-R700 or GF3 replacement filters.
Product prices do not include installation unless the item is specifically sold as an installation service. Products purchased without installation can be delivered separately. When installation is purchased, delivery and installation are scheduled together and are typically completed within 1 week. Accessories and replacement parts are available for shipping or store pickup only. View warranty details.