







OFFICIAL HELIOS REFILL
Replacement Filters
The Vitamin C + sediment cartridge that goes inside your Helios Sink Filter. Helios recommends a fresh one every 30 days.
Why swap every 30 days
- Helios recommends a fresh cartridge every 30 days for the best water quality and filter efficiency.
- Vitamin C neutralizes chlorine by reacting with it, so the Vitamin C gets used up as it works.
- The sediment filter collects dirt and rust from your water. You can see what it caught on a used cartridge.
What's in the box
Helios replacement cartridges: 2, 4 or 12, depending on the pack you choose.
How to swap a cartridge
Leave the filter on the faucet. Twist off the bottom cap, pull out the used cartridge, drop in a fresh one and twist the cap back on. Then turn on the water.
Lab Tested In South Korea
We work with accredited labs to test our system to the highest standards. The Helios Water System has been tested to reduce over 75+ contaminants.
Total PFAS
Test Institution: Dermacosmetics Skin Science Lab
Over 200 million Americans are estimated to have forever chemicals (PFAS/PFOS) present in their tap water.
Chlorine
Test Institution: Dermacosmetics Skin Science Lab
Chlorine is commonly added to municipal water as a disinfectant but can dry out skin and hair and create unpleasant taste and odor.
Microplastics
Test Institution: Dermacosmetics Skin Science Lab
Microplastics are frequently found in tap water. Total plastics found in human bodies increased 50% in the past 8 years.
Chloramine
Test Institution: Dermacosmetics Skin Science Lab
Chloramine is a more stable disinfectant used by many cities and is harder to remove than chlorine.

Replacement Filters



Real images from real reviews.
See what your tap water leaves behind
Your water can look clear and still carry dirt and rust. The sediment filter catches them before the water reaches your face and your toothbrush.
“Whenever I change the filter, all I can think about it ‘gross I cannot believe I was washing my face in that.’”Virginia, verified buyer
- The brown is what the filter caught: dirt and rust held in the cartridge, not left in your sink.
- Swap every 30 days and each month starts with a clean cartridge.
Every 30 days, a fresh start
Helios recommends a fresh cartridge every 30 days. Here's how those 30 days go.
Fresh cartridge
A white sediment filter and a full Vitamin C layer.
Doing the work
It's already catching dirt and rust.
“By the second week of the month you can see the filter at like 60%.”Denise C., verified buyer
Time for a fresh one
The day Helios recommends swapping in a new cartridge.
Overdue
Past the 30 days Helios recommends. On a subscription, your next cartridge is already in the box.
Swap a cartridge in 3 steps
Twist off the cap
Leave the filter on the faucet. Twist off the bottom cap and pull out the used cartridge.
Drop in a fresh one
Put a new cartridge in and twist the cap back on.
Turn on the water
That's it. Your next 30 days start now.
Photos: stills from a Helios community video.
What's in your tap water
And what a Helios cartridge does about it.

Chlorine
Cl₂Utilities add chlorine to tap water to kill germs. It keeps water safe to drink, and it also reaches your face every time you wash.
Chlorine can strip skin of its natural oils, leaving it dry and sensitive.
Chlorine can change how tap water tastes and smells, including the water you brush with.
according to the CDC
by the Vitamin C layer, which reacts with chlorine.

Chloramine
NH₂ClA disinfectant made from chlorine and ammonia. Many utilities use it instead of chlorine.
It keeps killing germs in water pipes longer than chlorine, all the way to your tap.
Like chlorine, it reaches your face and toothbrush with the water.
Americans use chloramine-treated water
by the Vitamin C layer. Some water utilities use Vitamin C to neutralize chloramine too.

Rust
Fe₂O₃Iron pipes corrode over time, and the rust travels with your water to the tap. It’s easy to miss in a running faucet and hard to miss on a used cartridge.
Rusty color, sediment and a metallic taste.
Reddish or orange stains on sinks and fixtures.
Above this level, iron can cause the color, taste and stains described above.
Rust flakes and particles are trapped by the sediment filter. They’re part of the reddish-brown on a used cartridge.

Sediment
Iron · manganese · gritNatural grit and mineral deposits, like iron and manganese, that travel with your water to your home.
It can turn water red, brown, yellow, greenish, or even pink.
It shows up in bursts, so water can look fine one day and discolored the next.
It settles there until a change in water flow stirs it back up.
by the sediment filter, along with dirt and grit.
Sources: CDC, U.S. EPA (chloramines), U.S. EPA (iron), Indiana Dept. of Environmental Management (sediment), Cleveland Clinic, USDA Forest Service.
Pairs well with

Helios Sink Filter
Add one to another sink. Each kit comes with 4 aerator keys and 6 adapters to fit a wide range of US sinks.

Vitamin C Infusion Filtered Showerhead
Filtered water for your shower. Comes with a free infusion filter while Helios's current offer lasts.

Shower filter refills
Own the showerhead? It uses its own refills: Core, Micro and infused filters (Radiance, Renewal, Recovery, Hydration).
Refill FAQ
How often should I replace my Helios sink filter cartridge?
Helios recommends replacing the cartridge every 4 weeks, or after 30 days of daily use, for the best water quality and filter efficiency.
How long does each pack last, and what does a filter cost?
For one sink, the 2-Pack lasts 60 days, the 4-Pack 120 days and the 12-Pack 360 days. Bought one-time, that's $14.50 a filter for the 2-Pack and 4-Pack and $13.67 for the 12-Pack. On a subscription, your first box is 20% off ($11.60 a filter), then $14.50 a filter.
I have Helios on more than one sink. What should I order?
Each sink uses one cartridge every 30 days. For two sinks, a 4-Pack lasts 60 days and a 12-Pack lasts 180 days.
Will these fit my filter?
These cartridges are for the Helios Sink Filter (white or black). The Helios showerhead uses its own shower filters.
How does the subscription work?
Choose 2 filters every 2 months or 4 filters every 4 months. Your first box is 20% off, and each delivery after that is billed at the regular pack price. You can skip a delivery, pause, change or cancel your plan anytime from the "Manage Subscription" link in your order email or from your account. No need to contact support. To avoid an upcoming charge, cancel at least 3 days before your next billing date.
What does the cartridge do?
Its Vitamin C neutralizes chlorine and chloramine. Its sediment filter catches dirt, rust and other particles, which you can see on a used cartridge.
Can I drink the filtered water?
Helios is made for washing your face and brushing your teeth. It isn't intended for drinking water.
Can I use it with hot water?
Warm water is fine. Helios's care guide says to keep the water under 100°F and the pressure under 40 psi, and not to run the faucet at full pressure.
Do you ship outside the US?
Not at the moment. Orders ship within the United States and are processed in 1–2 business days. Standard shipping is free on orders of $99 or more.
Still have a question?
Email support@heliosfilter.com. We get back to you within 24 hours on weekdays.
Swap day is coming. Be ready for it.
Subscribe once and fresh cartridges arrive on schedule: 2 every 2 months, or 4 every 4 months. Or get the 12-Pack: 360 days of cartridges for one sink, with free standard shipping.

