Practical and reliable, easy to use daily.
【New, Set of 3, 13-Substance Removal】JF-K21-C Replacement Water Purifier Cartridge
Product Details
JF-K21-C Replacement Water Filter Cartridge
Made with materials equivalent to genuine products, same quality.
Removes 13 substances. Pack of 3.
Purchased in May 2026.
Selling because the opportunity to use it has passed.
Price non-negotiable.
Unused, brand new.
Please check my transaction history and reviews for peace of mind.
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★Product Description
[Model Number] JF-K21
[Specifications/Features] Integrated faucet type, high chlorine removal type
[Substances Removed] Free residual chlorine, turbidity, soluble lead, CAT (pesticides), 2-MIB (moldy odor). Removal rate 80%...
[Replacement Timing] Approximately 3 months when using 10L per day. Filtration flow rate: 1.5L/min. Minimum operating water pressure: 0.05MPa
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.




