Check compatibility
Make sure your shower filter uses compatible vitamin C replacement cartridges before ordering or installing.

Keep your compatible shower filter ready for hard-water use.
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These replacement cartridges are made for compatible vitamin C shower filters. Each pack includes four cartridges, and each is designed for 20-stage filtration for hard-water use to help reduce mineral buildup during regular shower use.
When your shower filter cartridge runs out, having the right refill on hand makes it easy to keep your routine going. This 4-pack is made for compatible vitamin C shower filters, with 20-stage filtration for hard-water use to help reduce mineral buildup and keep filtered shower water part of your day.
What's included:
4 replacement shower filter cartridges
Filtration: 20-stage filtration
Type: Vitamin C shower filter replacement cartridges
Use: Hard-water filtration
Shipping options are shown at checkout. See our shipping and return policies for details.
Check that your shower filter uses compatible vitamin C replacement cartridges. Remove the used cartridge, install a new one according to your filter's instructions, and replace as needed to keep your shower filtration system working.
Make sure your shower filter uses compatible vitamin C replacement cartridges before ordering or installing.
Open the shower filter housing and take out the old cartridge using your shower filter's instructions.
Place a fresh replacement cartridge into the filter housing and reassemble the unit for continued use.
These replacement cartridges are made for compatible vitamin C shower filters. Each pack includes four cartridges, and each is designed for 20-stage filtration for hard-water use to help reduce mineral buildup during regular shower use.
What's included:
4 replacement shower filter cartridges
Filtration: 20-stage filtration
Type: Vitamin C shower filter replacement cartridges
Use: Hard-water filtration
Shipping options are shown at checkout. See our shipping and return policies for details.
See our refund policy for return instructions and eligibility.
Questions about a product or order? Visit our store’s contact page to get in touch.