AquaFre Universal 4-Stage Under Sink Reverse Osmosis “RO” Replacement Filter set (BG-FC-ROEN4PK)

Reverse Osmosis Filter Pack Overview Our 4-stage complete filter set is made with high-quality filtration components to protect and prolong the lifespan of your reverse osmosis system. This premium quality filter set lasts over 6 months for high-performance contaminant removal, while the membrane and post-carbon filter last 2-4 years. This set is compatible with all other standard sizes under counter reverse osmosis systems like iSpring, Watts, APEC, Global Water, Watts, Premier, Flowmatic, PuROLine, Crystal Quest, Puromax, Aquasana, etc. RO 1st Stage:  The Sediment Filter works as the first barrier in the Reverse Osmosis System, removing solid particles like silt, rust, and dirt from the water and reducing a significant percentage of contaminants in the water. It prevents the other filters from getting clogged with fine particles and reduces the risk of damage to the other components. AquaFre's first stage Sediment Filter features a 5-micron size, perfect for capturing most of the f