ERO 350 EcoWater Replacement Filters & Membranes
Drop-in compatible ERO 350 EcoWater replacement filters. Same performance, delivered at wholesale pricing.
Replace annually. (Includes 2 filters)
Recommended Replacement: 6-12 months
Ecowater ERO-350 Membrane. Replace every 36 months.
Our part number for this compatible element 181204-M
EcoWater ERO 350 Replacement Filters, Priced Right
The EcoWater ERO-350 delivers solid water purification for everyday drinking and cooking. The reverse osmosis system does its job. The only part that doesn’t make sense is paying dealer prices every time you need replacement filters and a new membrane.
If you’ve been looking for where to buy EcoWater replacement filters online without the markup, compatible filters are the straightforward answer. Same filtration, same fit, wholesale water filter pricing. ERO-350 EcoWater compatible filters keep your system running exactly as it should, for less.
Direct Drop-Ins for Your ERO 350 System
The compatible ERO-350 filter sets at Wholesale Filters Direct drop directly into your existing system with no modifications. They replace OEM part numbers 7263510, 7263536, and 7263528 and use the same easy-change filter design, so swapping them takes minutes.
The compatible reverse osmosis membrane replaces OEM part number 7263544 with the same TDS rejection and contaminant removal you expect. Same housing, same connections, same results. If your ERO-350 has always worked well for you, compatible components keep that experience identical at a lower cost.
Schedule That Keeps Your ERO 350 at Peak Performance
Our AutoShip option lets you purchase online once and have replacements arrive on a schedule that matches your water usage. Set it, and compatible filters show up before the old ones need pulling.
Filter set every 6 to 12 months.
RO membrane every 36 months.
Bottled Water Quality From Your Own Faucet
With fresh filters, the ERO-350 removes chlorine taste, lead, dissolved solids, and a wide range of contaminants, delivering bottled water quality from your own faucet. No plastic waste, no recurring delivery fees, no trips to the store.
Consistent water flow is the other thing you get from staying on schedule. No waiting for a glass to fill, no pressure drops. At compatible filter pricing, the annual cost of maintaining your whole home water filtration system stays well below what most households spend on bottled water. The system pays for itself over time. Compatible filters just accelerate that payoff.
Frequently Asked Questions
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An overdue pre-filter lets sediment reach the reverse osmosis membrane, shortening the life of the most expensive component in the system. The membrane gradually loses rejection capability, which means more contaminants in your drinking water. A filter set costs far less than an early membrane replacement. Staying on schedule is the cheapest insurance your ERO-350 has.
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Yes. The ERO-350 and ERO-450E share the same filter and membrane platform. Our compatible filters replace the same OEM part numbers used in both systems.
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Yes. Close the water supply valve and the storage tank valve before removing any filters. Open the faucet to relieve remaining pressure, then twist the old filter out. The process takes a few minutes.
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Use a TDS meter to test the water before and after the membrane. If rejection drops below 75%, the membrane needs replacing. TDS meters are inexpensive and available online.
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Households on well water or in areas with higher sediment should lean toward the 6-month mark. Municipal water with standard treatment can typically go the full year.