Hydronix
Hydronix 5 Stage RO Reverse Osmosis Water Filter Replacement NSF 14 Filters 1-2 yr Supply
$68.30
This 14-filter bulk pack delivers one to two years of complete RO maintenance for any standard 5-stage reverse osmosis system, with every component NSF certified by Hydronix for universal compatibility. You get four sediment filters, four UDF carbon filters, four carbon block filters, and two inline post-filters—everything except the membrane.
SPECIFICATIONS
Complete Annual Filter Supply
Sediment Filters
4 Filters
5 micron, 2.5" × 10"
UDF Carbon Filters
4 Filters
5 micron, 2.5" × 10"
Carbon Block Filters
4 Filters
5 micron, 2.5" × 10"
Post Inline Filters
2 Filters
GAC polish, 1/4" NPT
Total Package
14 Filters
1–2 year supply
Certification
NSF
All components certified
TECHNICAL DETAILS
Filter Pack Breakdown
| Pre-Filter Sediment (Stage 1) | 4 × 5 micron 2.5" × 10" cartridge |
| Pre-Filter UDF Carbon (Stage 2) | 4 × 5 micron 2.5" × 10" granular activated carbon |
| Pre-Filter Carbon Block (Stage 3) | 4 × 5 micron 2.5" × 10" solid carbon block |
| Post Inline Filter (Stage 5) | 2 × GAC polish filter, 1/4" NPT quick-connect ports |
| Vendor | Hydronix |
| Certification | NSF certified, premium grade |
| Replacement Schedule | Replace stages 1–3 every 6–12 months, stage 5 every 12 months |
COMPATIBILITY & APPLICATIONS
Universal Fit for Standard 5-Stage RO Systems
This Hydronix filter pack is designed for universal compatibility with any standard residential reverse osmosis system using 10-inch housings and 1/4" inline connections. Confirmed compatible with APEC, iSpring, Express Water, US Water RO Systems, US Water Galaxy, US Water Aquapurion, Watts, Purevalue, Nelson, Isopure, Tier1, Max Water, Titan Water Pro, Home Pure, Premier, Blue Wave, and virtually all standard 5-stage RO configurations. Specifically fits models including APEC RO5-50, iSpring RCC7, Express Water RO5-50, Isopure ISO-RO5, Tier1 RO5-WF, and many others with 2.5" × 10" filter housings. Note that this pack does not include the RO membrane (typically stage 4), which is replaced separately on a 2–3 year cycle.
💧 Pro tip: Mark your calendar when you install each filter type—sediment and carbon pre-filters protect your membrane and should be replaced every 6–12 months depending on source water quality, while inline post-filters refresh taste annually.
