The PLUS 3P BX 3 piece water filters are specifically designed to house BX cartridges with quick coupling and double 45 mm o-ring (SOE - o-ring 222).

The housings make it easy the positioning of the filter cartridge, maximum seal and quick and efficient maintenance.
The PLUS 3P BX water filters are supplied in the single, DUPLEX and TRIPLEX versions with transparent or opaque bowl. The multi-stage solutions are among the most exclusive on the market: made with a single-block head, they guarantee maximum safety and resistance, eliminating all problems related to bothersome water losses and intermediate connections.
The IN/OUT connections are available in brass 1/2”, 3/4” and 1” with BSP type thread or plastic BSP or NPT thread. The height of cartridges adaptable to the models varies from 5” to 20”. The range of filters for potable water is completed with the M version with manometers and S version with drain funnel and an ample availability of accessories and spare parts.
Atlas Filtri adopts ecological materials (PET) and technologies safeguarding the environment that make it an active and socially responsible reality.

Main products

Water filters designed for POU and POE applications
Models Plus 3P BX with 3 piece
Version single, DUPLEX and TRIPLEX
Suitable for BX (SOE- o-ring 222) cartridges
IN/OUT male or female 1/2", 3/4”, 1” connections
Metal or plastic BSP or NPT thread
Variant MP with IN/OUT male in plastic, 1/2”, 3/4”, 1” BSP
Transparent (TS) or opaque (AB) bows
Cartridge heights that can be installed: 5” 7” 10” 20”
M model with 2 manometers
S model drain funnel available
Materials: - Reinforced polypropylene, PET
Maximum operating temperature: 45°C (113° F)
Maximum operating pressure, BSP versions: 8 bar (116 psi)
Maximum operating pressure, NPT versions: 8,6 bar (125 psi)
Atoxic materials, suitable for potable water
Excellent seal and resistance
Safer in the double and triple systems
Full control with manometers
Simple maintenance with drain funnel
Wide range of accessories

Accessories on demand

-U- spanner
-S- Wall bracket
-D- wall bracket
-T- Wall bracket
3/4" brass nipples with o-ring
1” brass nipples with o-ring
3/4 plastic nipple with o-ring
3/4 - 1/4" plastic reduction with o-ring
-KIT AUTO- for S models – automatic discharge kit
-LUBRIKIT- lubricant for housing o-ring


Discover our compatible cartridges and ensure efficient filtration and treatment!
sediments filter cartridges
  • Filtration in depth
    Mechanism through which sediments are trapped both inside the matrix and on the surface of the filter device.
    • Polypropylene wound thread FA BX
    • Melt-blown polypropylene smooth CPP BX
    • Melt-blown polypropylene grooved PP BX
    • Ceramic AB BX
    • Quartzite GA BX
    • Polyester fabric TS BX
    • Special paper CS BX
    • Polypropylene-borosilicate multi-layer AC BX
  • Surface filtration
    Mechanism that keeps sediments on the external surface of a net. They can be easily removed.
water treatment cartridges
  • Granular activated carbon
    Reduction of chlorine, taste, odour, volatile organic compounds, pesticides, insecticides, chlorinated organic compounds
    • Granular activated carbon LA BX
    • Wound polypropylene thread and granular activated carbon FA CA BX
    • Melt-blown polypropylene and granular activated carbon CA BX
    • Melt-blown polypropylene and granular activated carbon BT CPP LA BX
    Reduction of chlorine, taste, odour, volatile organic compounds, pesticides, insecticides, chlorinated organic compounds, heavy metals, bacteria and virus
  • Polyphosphate crystals
    Anti-scale treatment
    • Polyphosphate crystals HA BX
    • Melt-blown polypropylene and polyphosphate crystals BT CPP HA BX
    • Polyester net and polyphosphate crystals BT RL HA BX
    • Wound polypropylene thread and polyphosphate crystals FA HA BX
    • Melt-blown polypropylene and polyphosphate crystals CPP HA BX
  • Resins
    Ionic exchange resins
    Containers to be filled up with water treatment products
    • Empty containers P BX
    • Empty containers with containing sponge P S BX

video gallery

Installation and use of Plus 3P BX water filter housings