GE
GE FQK2J Under Sink Water Filter Replacement Cartridge | Fits GE GXULQR GXULQK Under Counter Water Filtration Systems | Reduces Lead & Chlorine
- MPN:
- FQK2J
- Condition:
- New
Description
GE FQK2J Dual Flow Under-Sink Water Filter Replacement Set
FQK2J vs FQSVF — What's the Difference?
The FQSVF is the older dual-flow filter set that the FQK2J was designed to replace. If your system previously used FQSVF or FQSLF cartridges, the FQK2J is GE's current replacement. However, they are not physically interchangeable — the FQK2J has a different cartridge size and connector design. Always confirm your system model before switching.
| Feature | GE FQK2J (This Filter — Current) | GE FQSVF (Older) |
|---|---|---|
| Generation | Current production — GE's updated dual-flow filter set | Older generation — superseded by FQK2J |
| Filter Type | Dual-flow — two cartridges, parallel filtration | Dual-flow — two cartridges, parallel filtration |
| Cartridges Per Pack | 2 cartridges (must replace both together) | 2 cartridges (must replace both together) |
| Physically Interchangeable? | No — different cartridge size and connector. Confirm your system model before ordering. | |
| Compatible Systems | GXK285JBL, GXK295JNN, GXSL55R, GXSV65R, GNSV70R, GXK255TBN | GXSV65R, GQSV65R, GXSV65F, GQSV65F, GXSL55R |
| NSF Certification | NSF/ANSI 42, 53, and 401 | NSF/ANSI 42 |
| Flow Rate | 1.1 GPM | Standard dual-flow rate |
| Filter Capacity | 300 gallons or 6 months | 300 gallons or 6 months |
| Filtration | 0.5 micron carbon block (per cartridge) | Carbon block (per cartridge) |
| Installation | Twist-and-lock — no tools required | Twist-and-lock — no tools required |
Compatible Filtration Systems
The FQK2J is the replacement filter set for the following GE dual-flow under-sink and inline filtration systems, and select Pfister filtration faucets:
GE Under-Sink Filtration Systems
Compatible Filtration Faucets
Product Description
The GE FQK2J is the genuine OEM replacement filter set for GE dual-flow under-sink water filtration systems. Each pack includes two filter cartridges that work in parallel to filter water simultaneously at a high flow rate of 1.1 gallons per minute — delivering fast, clean, filtered water directly from your kitchen faucet without the wait associated with slower single-stage systems.
The dual-flow design passes water through both cartridges at the same time, which maintains high water pressure and flow while still achieving thorough 0.5-micron filtration. This makes the FQK2J ideal for households with higher water usage needs, or wherever a dedicated filtered water faucet is connected directly to the main kitchen tap via a chrome controller.
Both cartridges use an activated carbon block to reduce a wide range of contaminants. The twist-and-lock design makes replacement quick and tool-free — both cartridges should always be replaced at the same time.
Key Features
- Dual-Flow Parallel Filtration: Water is filtered simultaneously through two cartridges in parallel — delivering faster flow without compromising filtration performance
- High Flow Rate — 1.1 GPM: Significantly faster than single-stage systems, making filtered water readily available for drinking and cooking
- Two Cartridges Included: Both cartridges must always be replaced together for correct system performance
- Triple NSF Certified: Certified to NSF/ANSI Standards 42, 53, and 401 by IAPMO — covering chlorine reduction, contaminant reduction, and emerging contaminants
- 0.5-Micron Filtration: Fine carbon block captures smaller particles for thorough filtration performance
- Chlorine Reduction: Reduces chlorine taste and odor for cleaner, better-tasting water
- 6-Month Filter Life: Replace both cartridges every 6 months for best filtration results
- Twist-and-Lock Design: Tool-free, no-mess replacement — no water shutoff required
- BPA-Free Construction: Food-grade, lead-free materials throughout
- Operating Pressure: 35-125 PSI
- Operating Temperature: 33°F-100°F
Installation Instructions
- No Water Shutoff Required: The FQK2J twist-and-lock design allows filter replacement without shutting off the water supply — however, turning off the supply valve first is recommended to avoid any dripping
- Locate the Filter Housing: The dual filter housing is located under the sink. Identify both cartridge slots in the housing
- Remove Old Cartridges: Grasp the first old filter cartridge and twist it counterclockwise (left) to unlock, then pull it straight out. Repeat for the second cartridge
- Install New Cartridges: Remove protective packaging from both new FQK2J cartridges. Insert the first cartridge into its housing slot and twist clockwise (right) until it locks. Repeat for the second cartridge. Always replace both cartridges at the same time
- Flush the System: Run water from your kitchen faucet through the filtration controller for 3-5 minutes to flush air and activate both carbon blocks. Water may appear slightly cloudy initially — this is normal
- Reset the Filter Indicator: If your system has a filter replacement indicator on the controller, reset it per your system's owner manual
- Check for Leaks: Inspect around both filter connections to confirm there are no leaks before closing the cabinet
Replacement Schedule
| Condition | Action |
|---|---|
| Every 6 Months | Replace both cartridges together for optimal filtration performance |
| Filter Indicator Activates | Replace both cartridges — the chrome controller indicator has signalled replacement is due |
| If Flow Rate Decreases | Replace both cartridges — reduced flow indicates saturated carbon blocks |
| If Taste or Odor Changes | Replace both cartridges immediately if water quality deteriorates |
Alternate Compatible Part Numbers
FQK2J, FQK1K, GXRLQR, CLCH128
Frequently Asked Questions
Is the FQK2J a refrigerator water filter?
No. The FQK2J is a replacement filter set for GE dual-flow under-sink water filtration systems. It is installed beneath your kitchen sink and delivers filtered water directly from your kitchen faucet via a controller or dedicated filtered water tap. For GE refrigerator water filters, see the MWF/MWFP, XWF/XWFE, RPWF/RPWFE, or MSWF models depending on your refrigerator.
Why does the FQK2J come with two cartridges?
The GE dual-flow system filters water through two cartridges simultaneously in a parallel configuration. This parallel design is what delivers the high 1.1 GPM flow rate — water splits between both cartridges at the same time, then recombines before reaching the faucet. Both cartridges must always be replaced together so that flow is balanced equally between them.
What is the difference between FQK2J and FQSVF?
The FQSVF is the older generation of GE's dual-flow under-sink filter set, which the FQK2J was designed to replace. Both are dual-flow filter sets with two cartridges, but they have different physical dimensions and connector designs — meaning they are not interchangeable. The FQK2J also carries a higher NSF certification (42, 53, and 401 vs 42 only for FQSVF). If your system is on the FQK2J compatibility list above, use the FQK2J. If your system is not listed, check whether it uses FQSVF or FQSLF cartridges instead.
Can I use FQK2J in place of FQSVF or FQSLF?
Only if your system model is on the FQK2J compatibility list. While GE designed the FQK2J as the updated successor to both FQSVF and FQSLF, they have different physical sizes and connectors — so one does not simply swap into the other's housing. Check your system model number first. If your system is listed under FQK2J compatible models above, you can use FQK2J. If not, continue using FQSVF or FQSLF.
How often should I replace the FQK2J filters?
GE recommends replacing both FQK2J cartridges every 6 months for best filtration results. Your GE filtration system's chrome controller may have a built-in filter replacement indicator that will alert you when it's time. Replace sooner if you notice any reduction in flow rate or change in water taste or odor.