DP Duo Filter Housing 20” Big 1.5” In/Out With Spanner & Bracket

- A Duo 20" BIG Filter housing, with 1.5" in/out plastic BSP threads, pressure gauge (manometer) ports and drain port.
- Chooses the Duo with 2 filter bowls on a single moulded head to save time plumbing up separate housings when you need to use two in series and reduce the number of potential leak points,
- Designed to accept 20"x 4.5" filter cartridges.
- These are most commonly used domestic, commercial and industrial applications