Hydronix NSF Carbon Block Filter — 4.5" x 20" (5 Micron) CB452005
Hydronix NSF Carbon Block Filter — 4.5" x 20" (5 Micron) CB452005
Details & Dimensions
Details & Dimensions
Hydronix NSF Carbon Block Filter — 4.5" x 20" (5 Micron) CB452005
Model: B-6
Get cleaner, better-tasting water with this high-capacity Hydronix NSF-certified carbon block filter. With a large 4.5" diameter and 5-micron filtration, it’s built for performance—reducing sediment, chlorine, taste, and odors while supporting strong water flow throughout your home or system.
What It Helps With
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Reduces chlorine, unpleasant odors, and chemical taste
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Captures fine sediment, rust, sand, and particulates down to 5 microns
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Enhances clarity and improves overall water quality
Key Features
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Size: 4.5" x 20" (Big Blue Style Filter)
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Filtration Level: 5 micron
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NSF Certified: Meets NSF/ANSI standards for material safety and filtration performance
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Coconut shell carbon block for strong absorption and reliability
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Supports higher flow rates for whole-home and commercial use
Ideal Applications
✔️ Whole-house systems
✔️ Commercial and light industrial filtration
✔️ Reverse osmosis pre-filtration
✔️ Improving taste and odor in well water or city water
Replacement Frequency
Change every 6–12 months, depending on water quality, water source, and usage.
Compatibility
Fits most standard 20" Big Blue filter housings.
Not sure if this is the right fit for your system? We can help confirm before you purchase.
Part #: SMF CB452005
Vendor
Vendor
Hydronix

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FAQs
How do I cancel or edit an order?
How do I cancel or edit an order?
Unfortunately, we cannot cancel orders due to a change of mind. However, we understand that mistakes happen. If you need to edit your order information, such as the delivery address or contact number, please contact our customer service as soon as possible.
Here’s what you can do:
- Contact our customer service via email address, or Live Chat.
- Have your order number ready when contacting customer service.
- We cannot guarantee changes to orders after 24 hours of placement. This is because orders may be processed once received
How can I track my order?
How can I track my order?
You can track your order by checking the shipping confirmation email, which contains a tracking number and a link to the courier's website. Alternatively, log in to your account on our website, navigate to "My Orders," and click on the tracking link provided for your order.
What if there is a problem with my order?
What if there is a problem with my order?
If there is an issue with your order, please contact our customer service team as soon as possible. You can reach us via email, phone, or through the contact form on our website. Provide your order number and a brief description of the problem so we can assist you quickly.
I didn't receive all off my order?
I didn't receive all off my order?
If part of your order is missing, please check the shipping confirmation email to see if the items were sent separately. If all items should have arrived together or if you have concerns, contact our customer service team with your order number. We’ll investigate and resolve the issue promptly.

