Atlas Filtri 20" Trio BIG Filter System – High-Capacity Rainwater Sediment Filtration (20μm, 5μm, 1μm)

Engineered in Italy and built for performance, the Atlas Filtri 20" Trio BIG system is the gold standard in multi-stage sediment filtration for rural rainwater systems. With three oversized 20” filters operating in precise sequence, this setup delivers exceptional water clarity—protecting plumbing, appliances, and UV systems.

Designed for whole-home and high-demand rural setups, this premium solution is ideal for tank water systems requiring superior sediment handling.

What’s Included
• Atlas Filtri 20" Trio BIG filter housing with 1.5" BSP in/outlet
• 20μm Pleated Coarse Sediment Filter (20" BIG)
• 5μm Polyspun Sediment Filter (20" BIG)
• 1μm Polyspun Fine Sediment Filter (20" BIG)
• Single-piece moulded housing head with 3 integrated bowls
• Mounting bracket and dual-sided spanner
• Pressure gauge ports and drain taps
• Lubrikit O-ring lubricant

Product Description

This robust filtration unit provides layered protection with its triple-stage design. The 20μm pleated filter captures large debris like leaves and sand; the 5μm stage removes smaller silt and sediment; and the 1μm stage polishes your water for clarity and UV compatibility. It’s the perfect pre-treatment for homes running UV or storing rainwater for potable use.

Pressure gauge ports allow real-time filter monitoring, and the integrated drain taps make cartridge changes clean and efficient.

Key Features

• Premium Italian design with 3 x 20” BIG sediment filters
• Triple-stage sediment filtration: 20μm → 5μm → 1μm
• 1.5" BSP inlet and outlet for high flow rate demands
• Pre-assembled Trio head reduces leak points and saves install time
• Washable pleated filter extends filter life
• Reinforced polypropylene housing for rural environments
• Max pressure: 8.3 bar | Max temp: 45°C | Min temp: 4°C
• Ideal for rainwater-fed homes, farms, and commercial buildings

Why You Should Buy

When your water system demands capacity, consistency, and clarity—this system delivers. The Atlas Filtri 20" Trio BIG offers top-tier performance with reliable Italian craftsmanship, ensuring cleaner, safer water from every tap.

FAQs

Q: Why three filter stages?
A: Each stage captures progressively smaller particles, maximising water clarity and reducing filter load for improved longevity and UV performance.

Q: Can I install this system outdoors?
A: Yes – the reinforced design is suitable for covered outdoor locations with freeze protection.

Q: Are the filters reusable?
A: The 20μm pleated filter is washable. The 5μm and 1μm filters should be replaced every 6–12 months depending on usage.

Q: Is this compatible with a UV system?
A: Absolutely. This system is ideal as a pre-filter for UV disinfection, ensuring water is free from sediment that could shield microorganisms.