







💧 Pure water, zero compromises—upgrade your under-sink filter game today!
The AO Smith Basic Direct Connect Under Sink Replacement Filter (AO-MF-R) is a carbon block filter designed for the AO-MF system, reducing up to 99% of 9 harmful contaminants including chlorine and lead. It delivers a steady 1.4 gallons per minute flow rate, preserves essential minerals, and lasts 6 months per filter. Certified to NSF/ANSI 42 and 53 standards, it offers easy, plumber-free installation and eco-friendly, cost-effective water purification.


| ASIN | B08VD2QCWN |
| Benefits | Reduces up to 99% of 9 harmful contaminants including chlorine, lead, cysts, atrazine, lindane, and turbidity while maintaining essential minerals. |
| Brand Name | A. O. Smith |
| Customer Reviews | 4.5 4.5 out of 5 stars (185) |
| EU Spare Part Availability Duration | 6 Months |
| External Testing Certification | IAPMO, ANSI, NSF |
| Item Dimensions D x W x H | 7.6D x 7.6W x 37.1H centimetres |
| Item Weight | 907 g |
| Manufacturer | AO Smith |
| Manufacturer Part Number | AO-MF-R |
| Material Type | Carbon Fibre |
| Model Number | AO-MF-R |
| Number of Items | 1 |
| UPC | 811640030636 |
| Unit Count | 1.0 count |
S**N
I used one for about a year before changing. Really improves the city drinking water. Does lower cold water pressure just a bit but I kinda expected that. On my second one now.
K**R
Easy to install.
G**I
Easy to replace
A**3
Works great for keeping our kitchen water filtered.
J**N
I set these to deliver every six months. You don't need tools. These are the easiest filters I have used.
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