DP Duo 20" BIG Filter Housing – Dual-Stage High-Capacity Filtration
 
The DP Duo 20" BIG Filter Housing is a dual-stage filtration system, designed for whole-house filtration, rainwater tank systems, and commercial applications. With two filter housings, it enables multi-stage filtration, such as sediment removal in the first stage and carbon filtration in the second, delivering cleaner, safer water with enhanced filtration performance.
 
Featuring a high-flow 1.5" inlet and outlet, this system ensures efficient water pressure and high-capacity filtration, making it ideal for large-scale applications. The kit includes a spanner and mounting bracket for easy installation. Built for durability and long-term performance, the DP Duo 20" BIG provides a reliable and effective water treatment solution.
 
A DUO 20” BIG Filter housing, with 1.5” in/out plastic BSP threads, pressure gauge (manometer) ports and drain port.
Comes complete with bracket, spanner and o-ring  lubricant.
Designed to accept 20” x 4.5” filter cartridges.
These are most commonly used domestic, commercial and industrial applications
 
These are available in:
Mono - single filter housing
Duo - Double Filter housing with moulded head
Trio – Triple - Filter housing with moulded head
 
All Atlas Filtri BIG Housings come with:
Bracket
Spanner
Lubrikit (O-ring lubricant)