Regent Big Grey Filter Housings
Inlet cartridge filters for homes, offices and cafés. Each Big Grey housing takes a 20-inch or 10-inch cartridge, 4.5 inches across, flows 5 m³ an hour, works at 2 to 6 bar and connects with a 1-inch fitting.
What it does.
- Two housings, one standard: 4.5″ × 20″ and 4.5″ × 10″ cartridges
- Up to 5.0 m³/h maximum flow
- Whole-site filtration: improves taste, colour and odour while removing sediment
- Cartridge chosen to suit your water condition
- Durable components protect sanitary ware and plumbing
- 1 inch internal thread connection
Typical applications
Regent Big Grey Filter Housings in Oman
Before water from a roof tank or a well reaches the basin or the coffee machine, a Big Grey housing fitted where the supply enters can stop the sediment it carries.
A cartridge usually lasts 6 to 12 months. The housing is rated for water between +5 and +40 °C.
Common questions
Will it clear brown or cloudy water?
Most discolouration comes from rust and sediment, and it traps those. A tank in poor condition needs cleaning or repair as well.
Is it good ahead of an RO unit?
Yes. Guarding RO membranes is a common use.
How often are cartridges changed?
Somewhere between 6 and 12 months, depending on how dirty the supply is.
Specified, installed and looked after anywhere in Oman
Coastal mains water is mostly desalinated seawater. It is soft, but it picks things up in pipes and tanks. Inland wells can be very hard: one 2024 study of Al Dhahirah groundwater found an average hardness of 659 mg/l.
Say which governorate you are in, whether the water comes from the Nama network, a tank or a well, and what you need it for. We design the system, price it in rials and arrange the fit.
Source: Nama Water Services; Al Dhahirah groundwater study, International Journal of Environmental Analytical Chemistry (2024).
Interested in the Regent Big Grey Filter Housings?
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