Whirlpool Refrigerator Water Filter 4 (WHR4RXD1)
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This genuine Whirlpool Filter 4 replacement cartridge keeps your refrigerator's water and ice maker running with cleaner, better tasting water. It uses a simple twist in design for a quick, tool free replacement, and is certified under NSF/ANSI Standards 42 and 53 to reduce 32 contaminants, including 99 percent of lead and 97 percent of chlorine.
Fits Whirlpool refrigerators in bottom mount, French door, and side by side configurations. Replace every six months for best performance.
| Model Number | WHR4RXD1 |
| Item Number | AKK-APL-AC-229 |
Engineered by Whirlpool for an exact fit and reliable performance in compatible refrigerators.
Installs in seconds with a simple twist in design and no tools required.
Certified under NSF/ANSI Standards 42 and 53 to reduce 99 percent of lead and 97 percent of chlorine, plus 30 other contaminants.
Replace every six months for consistently clean, fresh tasting water and ice.
| Micron Rating | 0.5 to < 1.0 |
| Installation Type | Twist in |
| Filtered Contaminants | 2,4-D, Asbestos, Benzene, Carbofuran, Cysts, Endrin, Lead, Mercury, P-Dichlorobenzene, Toxaphene, Turbidity |
| NSF/ANSI 42 Certified | Yes |
| NSF/ANSI 53 Certified | Yes |
| Reduces Odor | Yes |
| Reduces Taste | Yes |
| Package Quantity | 1 |
| Fits With Refrigerator Type | Bottom mount, French door, Side by side |
| Depth | 2.5 in |
| Width | 3 in |
| Net Weight | 0.77 lbs |
How AKK Installation Works
Our certified crews have completed 500+ installations across Colorado Springs and the Front Range. Every install follows the same white-glove standard — no exceptions.
We responsibly remove and recycle your old appliance. No hauling trips. No disposal headaches. Done on the same visit.
Extended coverage for 3 or 5 years. 100% parts and labor. Zero deductibles. 24/7 claims support. Transferable if you sell.
Select add-ons above or speak with a specialist to discuss your specific installation.
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