Shower Filter Cartridge
Shower Filter Cartridge
Keep your filtration performing at full strength. The SYNONX Replacement Cartridge maintains peak chlorine, heavy metal, and bacteria removal for a full 6 months.
Compatibility
This cartridge is designed exclusively for the SYNONX Inline Shower Water Filter. It is not compatible with other brands. Fits all SYNONX filter units — twist out, twist in, no tools required.
When to replace
6
Months
Recommended replacement cycle for optimal filtration performance.
~10
Min per day
Based on average household shower usage. Heavy use may reduce lifespan.
<60s
To replace
Twist counterclockwise to remove. Insert new cartridge. Twist to lock.
What's inside — 4-stage media
KDF-55
Targets heavy metals, bacteria, and fungi with high efficiency even at hot shower temperatures.
Calcium Sulfite
Primary chlorine removal stage, engineered specifically for maximum temperature stability.
Coconut Shell Carbon
Captures chloramines, volatile organic compounds (VOCs), and chemical odors.
Vitamin C
Final neutralization stage, infusing water with skin-nourishing and protecting antioxidants.
How to replace
Grip the bottom cap of your SYNONX filter unit and twist counterclockwise to unlock.
Pull out the old cartridge and dispose responsibly.
Insert the new SYNONX cartridge and twist clockwise until it locks securely.
Run water for 30 seconds to flush the new cartridge before use.
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Clean water.
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