Shower Head
Shower · refill
Ion Drop Replacement Filters (Filtered Shower Head, 20-Pack)
4.9 13 reviews
The in-handle cotton cartridges that keep your Ion Drop filtering. A 20-pack is around a year for most households.
Compatible: Which filter is this? These are the multi-stage cotton cartridges that sit inside the Ion Drop Filtered Shower Head’s handle, not the universal Vitamin C inline filter.
Why you’ll notice it
Small upgrade, real difference
Keeps it filtering
Fresh cotton media for a consistently cleaner-feeling rinse.
A year in a box
Twenty cartridges, swap every few weeks as needed.
Keep the head
Only the cartridge is replaced. Less waste, lower cost.
Two-minute swap
Pop the old one out, drop the new one in. Done.
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How to use
Swap a cartridge in two minutes

Twist open the handle
Twist the shower head base open to reach the cartridge inside.

Drop in a fresh cartridge
Lift the spent cartridge out and slide the new one in.

Twist closed and rinse
Close the handle, run the water briefly, and you’re done.
Specs & dimensions
| Type | In-handle cotton cartridge |
|---|---|
| Quantity | 20 per pack |
| Fits | Ion Drop Filtered Shower Head |
| Life | Swap every few weeks |
| Reduces | Sediment · chlorine taste & odour |
Filtered head vs Vitamin C filter
| Ion Drop Head | Vitamin C Filter | |
|---|---|---|
| What it is | Complete shower head | Universal inline filter |
| Best for | Replacing your head | Keeping your head |
| Reduces | Sediment, chlorine | Chlorine + scent |
| Refill | Cotton cartridge | Whole unit |
| From | $74.99 | $34.99 |
What the refills do, and what they don’t
What it does
- Reduce sediment and chlorine taste and odour
- Restore the Ion Drop’s filtering when swapped
- Last most households around a year per 20-pack
What it doesn’t
- Don’t fit the universal Vitamin C inline filter
- Aren’t a drinking-water filter
- Don’t soften hard-water minerals
Good to know
Questions, answered
No. These are the in-handle cotton cartridges for the Ion Drop Filtered Shower Head. The Vitamin C filter is replaced as a whole unit.
Every few weeks, depending on your water and how often you shower. A 20-pack lasts most households about a year.
Open the handle, lift the old cartridge out and drop a fresh one in. It takes about two minutes.
Free shipping
Free on NZ orders over $50, a flat $7.99 under, and free on every subscription. Dispatched in 1 to 3 business days; most orders arrive in 2 to 4 weeks with tracking by email.
Faulty? We fix it
Free replacement or refund if your order arrives faulty, damaged or not as described. (No change-of-mind returns.)
Secure checkout
Encrypted checkout with Shop Pay and the payment methods you already use.
Complete the ritual
Pairs well with
Scalp Brush
Silicone Scalp Massage Brush
Shower Filter
Vitamin C Shower Filter
Hair Towel



