Questions

If your shower head unscrews, this fits. It uses the standard US threading found on fixed arms and handheld hoses alike. No adapters, no plumber.

Under two minutes. Unscrew your shower head, thread the filter onto the arm, thread the head back onto the filter. Hand-tight is tight enough.

No. Everything hand-tightens. Two washers are included in case your existing connection needs one.

Yes. It unscrews as easily as it went on.

Most people notice no meaningful change. Any filter adds a small amount of resistance, so if your pressure is already low it is worth knowing before you order.

No. A shower filter reduces chlorine and certain dissolved metals. It does not remove hardness minerals — that needs a whole-house softener.

A multi-stage cartridge: KDF-55 media, calcium sulphite, activated carbon, and mineral and ceramic layers. Each stage handles a different part of the job.

Yes. The media is chosen to keep working across the temperature range of a normal shower.

Roughly every three months at average household use. Hard water areas may want to swap sooner.

A cartridge arrives every three months at 15% off. Skip a delivery or cancel at any time from your account — no phone call, no notice period.

Yes. They are available as a one-time purchase whenever you need one.

Anywhere in the United States, free of charge. Orders leave within one business day and arrive in three to five.

Fit it, use it, and if your water does not feel different within thirty days, write to us and we will refund you. No forms and no questions.

Check the tracking link in your shipping email first. If that does not explain it, contact us and we will chase it.