- 100% Compatibility guarantee, works exactly like the original filter, without water leakage.
- Quality performance with a wallet-saving price.
- Selected carbon block effectively reduces impurities in water.
- Provides 6 months or 300 gallons of refreshing water.
- Replacement models: 3M™ Cuno CS-52, CS-51, CS-452, CS-522, CS-532, CS-562, CS450, CS-512, W1085590, 56932, 2168701, 51000, 5200. Please check the full list below for more details. The manufacturer's names and part numbers have been used for reference purposes only.
**The above brands do not source or sponsor the water filter. The manufacturers' names and model numbers have been used for reference purposes only.
- 1. Filtration performance: Waterdrop replacement water filter has the same effective filtration performance as the original brand, providing you with safe and healthy drinking water.
- 2. Filter life: Waterdrop replacement water filter has the same filter life as the original brand.
- 3. Price: Waterdrop water filter is a cost-effective choice. The price is much lower than that of the original brand.
- 4. Compatibility: Waterdrop replacement water filter perfectly fits the original-brand refrigerator.
- Our team values customer's feeling and provids you with products that are eco-friendly. Please enjoy our innovative design and excellent filtration performance.
- • It produces better-tasting and better-smelling water.
- • It helps remove fine particles and sediment from the water.
- • It prevents unadsorbed water contaminants and newly formed bacteria from being reintroduced into your drinking water.
- • It prevents a decrease in water pressure from the dispenser.
- • Drinking filtered water from your refrigerator can save you over $600 a year as compared to the use of bottled water.
- 1. Grasp the old filter, slowly rotate it 90° counterclockwise, and take it off the connector.
- 2. Align the new filter with the connector and insert the top of it into the filter holder. Slowly rotate it 90° clockwise until it is firmly seated.
- 3. Run water from the dispenser for 5 minutes to clean the system and prevent sputtering.

- Effectively reduces chlorine, taste and odor.
- The filter perfectly fits 3M™ Cuno.
- The full compatibility reduces water leaks to almost none.


- Harnesses the power from Sri Lankan coconut shell to make our carbon block filter.
- With 0.5 μm pore size, the high adsorption rate of chlorine, bad taste and odor.
- Selling directly from factory to you with no resellers pocketing the money.
- Cheaper than OEM filters because there’s no brand tax added to the price.

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