20-Inch Big Blue Water Filter Housing – 1-Inch Port, Double O-Ring & Air Release (Eco Range) | With Bracket

The 20-Inch Big Blue Water Filter Housing is a durable, high-capacity housing for whole-house, borehole, rainwater and commercial filtration. It accepts standard 20-inch x 4.5-inch Big Blue (Jumbo) filter cartridges.

The 1-inch female ports are suitable for higher-flow applications, while the double O-ring seal improves leak protection. The integrated air-release button helps release pressure before the housing is opened for cartridge replacement.

Please note: The filter cartridge is sold separately. Filtration performance and flow rate depend on the cartridge selected, the incoming water quality, system pressure and installation.

Key Features

✔ 20-Inch Big Blue Format – Accepts standard 20-inch x 4.5-inch Jumbo cartridges
✔ 1-Inch Female Ports – Suitable for whole-house and higher-flow filtration systems
✔ Double O-Ring Seal – Provides enhanced leak protection
✔ Air-Release Button – Assists with safe pressure release during servicing
✔ Heavy-Duty Blue Housing – Designed for residential, borehole and commercial applications
✔ Free Housing Spanner – Included for easier opening during cartridge replacement
✔ Epoxy-Coated Mounting Bracket – Included for secure wall mounting and improved corrosion resistance

What’s Included

• 1 x 20-inch Big Blue filter housing with double O-ring and air release
• 1 x epoxy-coated mounting bracket
• 1 x free housing spanner

Product Specifications

• Housing size: 20-inch Big Blue (Jumbo)
• Compatible cartridge size: 20-inch x 4.5-inch
• Inlet/outlet connection: 1-inch (25 mm nominal) female thread
• Seal: Double O-ring
• Air release: Yes
• Maximum operating pressure: 6 bar
• Operating temperature: 4 °C to 38 °C
• Housing colour: Blue
• Range: Eco Range
• Mounting bracket: Included

Suitable Applications

• Whole-house water filtration
• Borehole and wellpoint water treatment
• Rainwater filtration
• Commercial and light-industrial pre-filtration
• Pre-filtration for reverse osmosis and other treatment systems

Installation Notes

• Install in a protected position away from direct sunlight and weather exposure.
• Depressurise the system using the air-release button before opening the housing.
• Use suitable isolation valves and allow adequate clearance below the housing for cartridge changes.