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Whole House Filter

360 Triple Ultra Filter 4.5x20

SKU PW-FILT-TRIPLE-4520

$742.32
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Made in the USA
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Specs at a glance

20 to 90 PSI Operating
40 to 100 F Rated
Heavy-Duty Steel Bracket

System features

Three-stage protection

Sediment, carbon, and anti-scale cartridges in series, each doing one job well.

Salt-free anti-scale stage

The third stage helps reduce scale buildup and limescale, with no salt and no brine discharge.

High-flow design

Commercial-grade 20-inch housings carry up to 25 GPM for strong pressure at every tap.

Reinforced threads

Full 1-inch stainless steel reinforced inlet and outlet resist cracking and stripped threads.

No power, no backwash

Cartridge-based filtration with no electricity and no wastewater sent to drain.

Double O-ring posi-seal

A dependable, leak-resistant seal on every housing, with straightforward cartridge changes.

Overview

About this system

Three stages of whole-home protection in one compact, heavy-duty system. The 360 Triple 4.5" x 20" Ultra Filter System pairs a sediment filter, a carbon filter, and an anti-scale filter in commercial-grade 20-inch housings, delivering high-flow performance up to 25 GPM for the entire house.

Three-Stage Protection

  • Stage 1: Sediment Filter. Removes sand, dirt, rust, silt, and scale particles.
  • Stage 2: Carbon Filter. Reduces chlorine, bad taste and odor, VOCs, pesticides, and chemicals.
  • Stage 3: Anti-Scale Filter. Helps reduce scale build-up, limescale, and hard-water effects.

Why Homeowners Choose This System

  • High-Flow Design. Up to 25 GPM for strong pressure at every tap.
  • Commercial-Grade Housings. Heavy-duty 20-inch polypropylene built for years of reliable service.
  • Stainless Steel Reinforced Threads. Full 1-inch inlet and outlet resist cracks, stripped threads, and leaks over time.
  • Double O-Ring Posi-Seal. A dependable, leak-resistant seal on every housing.
  • No Power, No Backwash. Cartridge-based, with no electricity and no wastewater.
  • Installed by Our Team. Our local team handles the installation, quoted after your water analysis.

Engineering Specifications

Specification Detail
Flow Rate Up to 25 GPM
Inlet / Outlet 1" FNPT stainless steel reinforced female threads
Housings 20" commercial-grade polypropylene
Sealing Double O-ring Posi-Seal
Mounting Heavy-duty steel bracket
Operating Pressure 20 to 90 PSI
Operating Temperature 40 to 100 F
Dimensions 23 1/4" W x 28 1/2" H x 9 3/8" D
Warranty 10-year limited on tank & housing, parts only
SKU PW-FILT-TRIPLE-4520

10-Year Limited Warranty

The filter housings are covered by a 10-year limited warranty from the date of purchase against defects in material and workmanship under normal residential use, administered directly by 360 Water Systems.

Full terms, exclusions, and claims process available on request. Warranty covers parts only and does not cover labor, shipping, or damage from improper installation, incoming water quality, freezing, or operation outside rated pressure or temperature limits.

American Made, Backed by a Team That Answers

Built in the USA and supported by 360 Water Systems from selection through service.

Not sure this is the right system?

Not sure which system fits? A quick water test shows what is in your water, and we will match the right 360 setup to your home.

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