Four Stage Reverse Osmosis Filtration System

Product Note: The Pro-4000 Filter Set includes the pre-filter, carbon filter, and post-filter. It does NOT include the membrane. The membrane needs to be purchased separately by selecting the HMI-TFC Membrane option.

Install Note: If you select Water Doctors to install your replacement part(s), we will reach out within two business days to confirm an installation date. An installation fee will apply and will be disclosed when the installation date is confirmed.