Reliable RO System Filter Sets for Pure, Healthy Water 

Why Choose Express Water RO Filter Sets? 

Regularly replacing your reverse osmosis (RO) filters as recommended from the manufacturer is crucial to maintain a healthy drinking water source. Clogged filters can lead to reduced water flow, odor, difference in taste, and potentially damaging the RO membrane which could lead to ineffective contaminant filtering. In conclusion, to continue providing clean and healthy drinking water that eliminates 99.99% of contaminants, it is important to change to new reverse osmosis replacement filters. 

At Express Water, we believe changing reverse osmosis replacement filters should not be complicated. We offer subscription-based filter delivery service at a discounted price. Check your system’s filter sets for details. 

Types of RO System Filter Sets Available 

Find your reverse osmosis replacement filter sets by our Filter Finder dropdown, or checkout the different types below: 

✔ Standard RO System Filter Set – Standard replacement filter set for 5-stage RO systems. 

✔ ALK System Filter Set – An additional filter that adds alkaline mineral to improve pH level and water taste. 

✔ UV System Filter Set – On top of the standard filter sets, this filter set added a replacement UV bulb to disinfect the water 

✔ ALK & UV System Filter Set – A combination of alkaline filter and UV bulb along with the standard filter sets 

✔ Elite RO Filter Set – Replacement filters for the Elite RO System. Easy twist mechanism. 

✔ ION System Filter Set – Combination of standard RO filters and deionization filters. 

✔ Countertop RO Filter Set – Replacement filter sets for Countertop RO System.  

FAQs About Replacing Reverse Osmosis Water Filter Sets 

🔹 What does reverse osmosis filter set remove? 

It eliminates 99.99% of contaminants, including lead, fluoride, chlorine, heavy metals, and more. 

🔹 How often do I need to change my filters? 

Pre-filters: Every 6 months. 

RO membrane: Every 12-24 months. 

Post-filters: Every 12 months. 

🔹 How Do I Change Filters? 

Please follow the manufacturer guideline provided with the system purchase and the filter set purchase. 

🔹 Can I Change the RO filter Set Myself? 

Yes! Express Water RO systems come with easy-to-follow instructions, so you can set it up without a plumber. 

🔹 What Are Some Noticeable Signs of Filter Change Need? 

Aside from following the recommended filter change interval, you can use a TDS Meter to access the TDS level of your drinking water. Depending on your water quality, you may need to change the filters sooner than the recommended intervals.