Compact whole-home · 3-stage
HALO Mini 3
The HALO Mini 3 delivers whole-house filtration and conditioning in a cartridge-based unit small enough for a tight utility closet. It captures sediment, filters through carbon for taste and chlorine, and finishes with the permanent HALO ION conditioner for salt-free scale control.
Three stages, compact footprint
Stage one captures sediment down to 5 microns. Stage two is a premium UltraFlow carbon cartridge that improves clarity and taste and reduces chlorine. Stage three is the HALO ION 2.0 permanent magnetic conditioner — it never needs a filter change and keeps hard-water minerals suspended so they do not form scale, while gradually dissolving existing scale.

Where it fits
For condos, townhomes and smaller houses — or anywhere a full tank system will not fit and there is no floor drain — the Mini 3 gives most of the benefit in a fraction of the space. Stages one and two use replaceable cartridges (kit H-MINI-KIT); Milani sets the change interval based on your water.
- Fits where a tank system will not
- No electricity or drain required
- Chlorine, sediment and scale control
- Only the two cartridges need periodic changing
How Milani installs and looks after it
Milani installs HALO equipment on the main line where water enters the home (or, for drinking-water and point-of-use units, under the kitchen sink), tests your water first so the system is matched to what you actually have, and sets it up with the correct bypass and shut-offs so future service is simple. Where a unit has replaceable cartridges or media, we tell you the schedule and supply the parts.
At a glance
- Stage 1: sediment to 5 microns
- Stage 2: UltraFlow carbon cartridge
- Stage 3: permanent HALO ION 2.0 conditioner (no cartridge)
- No electricity, no drain connection
- Replacement cartridge kit: H-MINI-KIT
Warranty
The HALO Mini 3 carries HALO's limited warranty on the housing and conditioner; cartridges are a maintenance item. Milani registers the system and supplies replacement cartridges.
Talk to Milani about the HALO Mini 3
We test your water, size the system to what you actually have, handle the install and shut-offs, and check which rebates apply to your address.
Product information and specifications on this page are reproduced from HALO Water Systems product literature and are provided for homeowner reference.
Milani is an independent installing dealer for HALO Water Systems. HALO®, HALO 5™, H2 ZERO™, HALO ION™, Hydro Point®, Heater Guardian™ and related marks are trademarks of HALO Water Systems and its affiliates. Capacity, efficiency and warranty terms vary by configuration and water conditions — Milani confirms the details for your home after testing your water. This page is not an official HALO Water Systems publication.