iSpring
iSpring FCDS 3rd Stage Carbon Block CTO Replacement Filter for DS4B & DS4S
iSpring FCDS 3rd Stage Carbon Block CTO Replacement Filter for DS4B & DS4S
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Overview
- Material : Plastic
- External Testing Certification : NSF
- Product Benefits : This 3rd stage carbon block filter reduces chlorine, filters foul smells, enhances taste, and further reduces contamination in iSpring Bottleless Water Dispenser, providing cleaner water for you and your family. This 3rd stage carbon block filter reduces chlorine, filters foul smells, enhances taste, and further reduces contamination in iSpring Bottleless Water Dispenser,… See more
- Brand : iSpring
- UPC : 810004172814
About this item
- MOST IMPURITIES REDUCTION - By eliminating chlorine and other hazardous industrial pollutants from your house, our 3rd stage Carbon block filters provide you water without fear of contamination. With the excellent iSpring Built-in 4-Stage Filtration System Dispenser, you can be assured that your water is filtered.
- DURABLE AND LONG LASTING - Each cartridge is individually wrapped to ensure that the filter stays fresh. Please flush the filter after installation to get a crisp taste of water. Allow it to provide your loved ones with a fantastic cleaner water experience.
- EASY INSTALLATION AND ELEGANT DESIGN - Carbon replacement filters are specifically designed for easy DIY installation. A simple twist and lock will take only a few minutes. No need to call plumbers or experts! Save your time
- EFFICIENT FILTRATION - Carbon Block CTO Replacement Filter is made up of high quality material to meet the demand of your contaminated water. Filter changing schedule will be based on the contamination level of your source water and your water usage. We recommend changing your filters every 6-12 months for ideal filtration performance.
- OUR CUSTOMERS, OUR ASSET - iSpring really values its customers, and in order to avoid any inconvenience, we have a dedicated customer service team for our customers. Stop worrying and enjoy a lifetime experience of support and help from our experts.

Curated for Your Home
Customer Reviews
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Thoughtfully Selected
Every piece in our catalog is chosen for solid construction and lasting style, so your space feels intentional, not generic.
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Built to Last
We stand behind what we sell with a 30-day return window and responsive support, so you can shop with confidence.
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Designed for Everyday Living
From compact organizers to statement storage pieces, everything we sell is made to fit real homes and real routines.
Storage That Fits Your Life
At DWELLBLOOM, we believe a clutter-free home starts with the right storage.
We design and source functional, good-looking storage furniture that helps small spaces work harder and big spaces stay calm.
No gimmicks — just pieces built to be used every day.
Frequently Asked Questions
Yes — all orders over $150 ship free. Orders under $150 have a flat delivery rate calculated at checkout.
Orders are processed in 3–5 business days, then shipped. Delivery may take longer during peak seasons or due to customs delays.
We offer a 30-day return and exchange policy from the date you receive your order. Items must be unused, in their original condition and packaging, with proof of purchase.
Most storage furniture ships flat-packed with clear assembly instructions and hardware included. Check the product description for specific assembly details.