What ingredients are in the filter? Is there salt or sodium like in whole house water filter systems?

Not sure, we recently replaced this unit due to the short life span of the filters. Needed replaced every 3-4 weeks

Does this filter remove anything else besides chlorine?

It is a charcoal type filter so it is going to pick up plenty of contaminants but it wouldn't water safe to drink. We have public water which is treated with chlorine just barely below the upper safety limits to the point where if you pour yourself a glass of water from the tap you can smell the chlorine. With this filter we are able to take a shower without feeling like we just went swimming in a pool. My wife has a sensitivity to chlorine and this filter does its job well to that end. If you need to be certain that more formidable contaminants need to be removed then you need to look into a more robust filter. The company does provide more specific specs on this filter but I can only answer as to how we use it.

How often do these filters need to changed?

Our shower is used about 2-3 times daily. Our area has extremely hard water so our filters only last about 3-4 months. I change them when my skin starts to dry out (severe eczema,) or it smells heavily of chlorine.

Is this plastic? have bpa, pvc, pthalate, lead?

Hello, The shower cartridge is made of ABS plastic. ABS plastic typically does not include the contaminants you have listed. Please let me know if you have any additional questions or concerns. Have a great day! Best, WaterChef Customer Care

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🚿 Elevate your daily ritual with pure, powerful filtration—because your skin deserves the best!

LONG LASTING VALUE - Filters up to 20,000 gallons per pack, delivering premium performance without frequent replacements.
EFFORTLESS MAINTENANCE - Quick cartridge swaps with handy reminder decals keep your shower fresh without the hassle.
PROUDLY MADE IN THE USA - Crafted with care and backed by 5-star customer support for peace of mind every shower.
CHLORINE FREE CONFIDENCE - Removes 96.6% of chlorine—almost double the industry standard for a cleaner, healthier shower.
CERTIFIED QUALITY ASSURANCE - NSF/ANSI Standard 177 certified for trusted, independently verified filtration results.

The WaterChef RCSF-7 Replacement Cartridges come in a convenient 2-pack designed for SF-7C Shower Systems, featuring advanced 2-stage ThermalGuard filtration that removes 96.6% of chlorine. Certified to NSF/ANSI Standard 177, each cartridge filters up to 10,000 gallons, totaling 20,000 gallons per pack. Easy to replace with reminder decals, these USA-made cartridges combine superior performance with trusted quality and dedicated customer care.

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Manufacturer	WaterChef
Item model number	RCSF-7
ASIN	B00BK6VGDI

WaterChef® RCSF-7 Shower Filter Replacement Cartridges, 2-PACK (for SF-7C Shower Systems)

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