Replacement Filters

Keep your Second Shower performing at its best. Our replacement filters remove 99.9% of chlorine and chloramine (verified by independent third-party lab testing) with the same Vitamin C gel matrix and an NSF/ANSI 42 certified sediment filter*. Swap them as your Truth Window fills, about every 2 to 4 months for the head filter and 1 to 2 for the hand.

*Micron PP sediment filter certified by NSF/ANSI 42 standards.

99.9%

Chlorine removal

5

Vitamin infusion

60s

Install · no tools

NSF-42

Certified

Filters

Sort by:

2 products

Main thumbnail of the SecondShower Hand replacement filter featuring premium Korean technology for natural, safe shower water.the Second Shower Hand Filter
the Second Shower Hand Filter Sale price$29
the Second Shower Head Filterthe Second Shower Head Filter
the Second Shower Head Filter Sale price$39

The Proof

See What We Filter Out

The Truth Window shows you exactly what's being removed from your water. No guessing required.

Day 1
Day 30

Photos from real customers. Your results will vary based on your local water quality.

Common Questions

Not sure which product is right for you?

Which product should I choose?

Showerhead (176 micro-jets, $99): Wall-mount. Replaces your existing showerhead. Designed to stay.
Showerhand (128 micro-jets, $89): Handheld. Great for flexibility, kids, and pets.
Both: 99.9% chlorine removal via Vitamin C, 5-vitamin infusion, PP sediment filter certified to NSF/ANSI 42, Truth Window.

How often do I replace the filter?

Showerhead: every 2-3 months. Showerhand: monthly. The Truth Window shows you when—significant discoloration means it's time.

Will these fit my shower?

Yes. We use standard 1/2" NPT threading, which fits 99% of US showers. The Showerhand includes everything needed for installation.

See All FAQs

See What You've Been Showering In

Join 10,000+ customers who've seen the truth. The difference starts with your first shower.

Learn More
Free shipping 60-day returns NSF certified