BT-644845 Refrigerator Water Filters
Learn More About The BT-644845 Filter
How To Install The 644845 Filter:
- Twist the old filter a half-turn counterclockwise
- Pull the filter straight out
- Remove the reusable knob/cap from the end of the old filter
- Discard the old filter
- Snap the knob/cap onto the end of the new filter
- Push the new filter into the fridge with the knob in the horizontal position until it stops
- Twist the filter a half-turn clockwise
- Reset your "change filter" light (if your fridge has one)
- Change your filter every 6 months
Marvel at the specifications of our 644845 compatible filters.
|Change Frequency||6 Months||6 Months||6 Months|
|Filtering Capacity||300 Gallons||300 Gallons||740 Gallons|
|Contaminants Filtered||Chlorine, Taste, Odor, Sediment, Sand, Rust & Other Particulates||Chlorine, Taste, Odor, Sediment, Sand, Rust & Other Particulates||Chlorine, Taste, Odor, Sediment, Sand, Rust & Other Particulates|
|NSF Rating||-||-||42, 53|
|Flow Rate||0.5 GPM||0.5 GPM||0.75 GPM|
|Pressure Range||30-120 PSI||30-120 PSI||30-120 PSI|
|Operating Temperature||33-100 °F||33-100 °F||33-100 °F|
The Bosch/Cuno 644845 and aftermarket Supco WF299 are able to fit into any refrigerator model that uses a 644845 filter. Both versions of the water filter are able to reduce the amount of impurities found in your water supply such as lead, chlorine, and minerals. The Bosch/Cuno 644845 is built with factory original parts and hold NSF ratings of 42 and 53. The generic Supco WF299 does not hold an NSF rating, although it may be made using some NSF certified parts. The Bosch/Cuno and Supco filter have the same pressure range, operating temperature, and replacement time. Compared to the aftermarket Supco filter, The Bosch/Cuno filter has a larger gallon capacity of 740 and higher flow rate of .75 GPM. Even though there are some differences between the filters, but the aftermarket Supco WF299 is an affordable and quality option over the OEM for the 644845 water filters.
NSF/ANSI Standard 42
Filters tested against NSF/ANSI Standard 42 (aesthetic effects) are certified to reduce specific aesthetic or non-health-related contaminants (chlorine, taste and odor, and particulates) that may be present in public or private drinking water. See filter performance data sheet or manufacturer's packaging for details.
NSF/ANSI Standard 53
Filters tested against NSF/ANSI Standard 53 (health effects) are certified to reduce specific health-related contaminants, such as Cryptosporidium, Giardia, lead, volatile organic chemicals (VOCs), MTBE (methyl tertiary-butyl ether), etc., that may be present in public or private drinking water. See filter performance data sheet or manufacturer's packaging for details.
Filters Without NSF Ratings
Some filters that are not NSF rated are still constructed from NSF rated components.
Save Your Furnace Tip #4:
MERV stands for Minimum Efficiency Reporting Value, and measures a filters’ efficiency in removing small particles. The higher the MERV rating, the more particles the filter can remove.