APEC 90 GPD Stage 1-3&6 Replacement Filter Set for ULTIMATE Series Alkaline Reverse Osmosis & Replacement ORing for ROES-50 3.5" OD Reverse Osmosis Water Filter Housings
APEC 90 GPD Stage 1-3&6 Replacement Filter Set for ULTIMATE Series Alkaline Reverse Osmosis & Replacement ORing for ROES-50 3.5" OD Reverse Osmosis Water Filter Housings
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About This
- Product 1: APEC ULTIMATE Series high capacity pre-filter set is USA made and built to last 2x longer than other brands
- Product 1: Includes (1) sediment, (2) carbon block filters and (1) FI-PHPLUS-QC Alkaline Calcite Filter, use with APEC RO-PH90 or systems with pH enhancer kit upgrade
- Product 1: 1st stage 5 micron Polypropylene sediment filter to remove dust, particles, and rust. 2nd & 3rd stage 5 micron extruded carbon block filters to remove chlorine, taste & odor
- Product 1: 6th stage 10" High Purity pH+ Calcium Carbonate Re-mineralization Inline Filters wtih Quick Connect
- Product 2: IMPORTANT: A set of 3 O-rings for standard filter housings of APEC RO systems. Please kindly check the second gallery image for compatibility of this O-Ring set
- Product 2: Diameter 3.5 inch OD
- Product 2: Light weight, easy install and unload
- Product 2: Manufactured using NSF-compliant materials
Overview
- Material : Carbon Fiber
- External Testing Certification : NSF
- Product Benefits : Removes dust, particles, and rust; Removes chlorine, taste & odor; Neutralizes acidity and raises pH in the water Removes dust, particles, and rust; Removes chlorine, taste & odor; Neutralizes acidity and raises pH in the water
- Brand : APEC Water Systems

Experience the difference clean, softened water makes in your daily life — from healthier skin to better tasting drinking water.
👉 Softer skin and smoother hair with every shower.
👉 Prevent scale buildup and keep your appliances running efficiently.
👉 Softer, brighter clothes that last longer with every wash.
See the Difference in Your Water — Instantly
Hard water, chlorine, and hidden contaminants can affect your health, skin, and appliances.
Our advanced filtration system removes impurities and delivers clean, safe water throughout your entire home.
Feel the difference in every drop — from your kitchen to your shower.
FAQ
Water Filtration & Home Water Guide