Description
QMP 301 ALKA QC (1/4” Quick Connect) — Alkaline Inline Water Filter
Reverse osmosis produces exceptionally clean water—but many homeowners prefer a more balanced finish after filtration. The QMP 301 ALKA QC is an alkaline inline water filter designed to be used after your RO membrane as a post-RO polishing stage.
Installed inline on standard 1/4” tubing, this filter uses a quick-connect design to make upgrades simple—no special tools or complicated plumbing. Once installed, it helps increase pH and supports a negative ORP profile as water flows to the faucet.
Why use an alkaline inline water filter after RO?
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Balanced finish: RO water can taste “flat” to some people; post-RO alkalinity can create a smoother drinking experience.
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Easy upgrade: Quick-connect installation makes it a simple add-on to most RO setups.
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Final-stage polishing: Designed to work as the last step before dispensing.
Product details
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Model: QMP 301 ALKA QC
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Type: Alkaline inline water filter
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Use case: Post-RO (after the membrane)
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Connection: 1/4” quick connect (QC)
If you want a simple way to add a balanced finish to RO water, the QMP 301 ALKA QC is a clean, effective post-RO upgrade.


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