The 12-Month Reverse Osmosis 6-Stage Filter Replacement Set (10″) is compatible with most under-sink residential reverse osmosis systems. If your main reverse osmosis system looks like the one in the diagram below, then this is compatible.

The set includes:

• One piece of Aqua Pure APPR5M 5 micron Solid Prefilter (First stage)
• One piece of Puredry PDCBL 10″ Granular Activated Carbon Filter (Second stage)
• One piece of Purewave PDCBL-S 10″ Solid Activated Carbon Filter (Third stage)
• One piece of Aqua Filter AICRO Filter (Fourth stage)
• One piece of Aqua Pure AIMRO Filter (Fifth stage)