Have a question? Give us a call?(714) 541-6600

IPW Industries Universal 4-Stage Under Sink Reverse Osmosis Replacement Filter Kit - Replace Every 6-12 Months for Pure, Refreshing Water
Ships by July 22nd when you order today
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Shipping & Returns
We will gladly accept the return of products that are defective due to defects in manufacturing and/or workmanship for 30 days from the date of purchase. Fulfillment mistakes that we make resulting in the shipment of incorrect product to you will also be accepted for return 30 days from the date of purchase.
If you are not satisfied with your order for any reason, you may return it for a refund within 30 days of receipt for orders less than $500; orders over $500 have a 15 day return policy.
Shipping is not refundable and customers will bear the cost of return shipping. Shipping is refundable only when the wrong item or if the item arrives damaged. ALL ORDERS MUST BE INSPECTED UPON TIME OF DELIVERY AND ANY MISSING OR INCORRECT ITEMS MUST BE REPORTED WITHIN 30 DAYS OF DELIVERY. AFTER 30 DAYS, ORDERS WILL BE CONSIDERED COMPLETE AND CORRECT.
Items must be returned in the condition in which they arrived with their original packaging for a full merchandise refund. Unused items are eligible for a full refund (minus shipping). Used items cannot be refunded due to items being perishable after use (unless deemed as defective). If you have a damaged filter, please email pictures of the damage so we can process a return - we will email a return label once we receive pictures and do not ship it back until further notice..
DO NOT SHIP YOUR ITEMS BACK WITHOUT A RETURN MERCHANDISE AUTHORIZATION (RMA) NUMBER. You can request one by contacting us at (714) 541-6600 or email us at support@isopurewater.com. Returns must be sent back and received within 21 calendar days from the creation of the RMA number to the following address. ALL RETURNS RECEIVED THEREAFTER HAVE THE RMA DENIED IN FULL.
Third party marketplace refunds may incur a 10% restocking fee.
30- day Money Back Guarantee
That’s how confident we are that you’ll love the great taste of Isopure filtered water. But if you’re not thrilled, we’ll refund your money!
Have a question? Give us a call?(714) 541-6600
Max Contaminant Removal
Premium Quality
Tested & Certified
Eco-Friendly
Easy To Use
ISOPURE Water Filtration Benefits
The Purest Water
Enjoy clean, healthier water without contaminants, chemicals and toxins.
Save Money
Filtered water is far more affordable than bottled water. Save up to $1,000 a year.
Save Plastic
Reduce plastic bottle usage to help keep our oceans clean.
Changing millions of lives with safe, Fresh water
Upgrade your home's water filtration system with our comprehensive replacement filter kit. Engineered for superior performance, this universal kit delivers pure, great-tasting water while removing harmful contaminants including rust, salt, sediment, and chlorine.
What's Included
- 1x Sediment Filter - 5 micron polypropylene for removing dirt, rust, and particles
- 1x Carbon Block Filter - 5 micron coconut shell activated carbon for chlorine and taste/odor removal
- 1x RO Membrane - 50 GPD capacity (1.8" x 12") for removing dissolved solids
- 1x Post Carbon Filter - 10" inline GAC filter with 1/4" NPT threading for final polishing
Key Features
- ✅Universal Compatibility - Fits standard 10" x 2.5" housings and most 4-stage RO systems
- ✅Premium Materials - Acid-washed coconut shell carbon and high-density membrane technology
- ✅Easy Installation - Simple twist-off design with center spindle for effortless replacement
- ✅Long Service Life - Replace every 6-12 months depending on water quality and usage
- ✅Professional Grade - Suitable for residential, commercial, and industrial applications
Compatible Systems
Works with popular brands including iSpring, Watts, Premier, Flowmatic, Crystal Quest, Puromax, Puroline PL-4000, AXEON RF-4000, and other standard 4-stage reverse osmosis systems.
Advanced Filtration Technology
Our carbon block filters feature acid-washed coconut shell activated carbon for superior contaminant removal and reduced carbon fines. The coreless sediment filter design provides excellent dirt-holding capacity while maintaining optimal flow rates.
Important Note: Post carbon filter includes 1/4" NPT threaded inlet and outlet connections.

