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Frequently asked questions

Three things determine the right housing: the cartridge size and type you need to fit (diameter, length, end cap style), the material suited to your application (polypropylene for general use, stainless steel for higher pressure/temperature or hygiene-critical settings), and the port size that matches your pipework.

Polypropylene housings are lighter, more affordable, and well suited to most domestic and light commercial water filtration. Stainless steel housings cost more but handle higher pressures and temperatures, resist corrosion, and are generally specified for commercial, industrial, and food & beverage settings where durability and cleanability matter more.

Yes, provided the cartridge's outer diameter, length, and end cap type match the housing's specification — housings aren't brand-locked to their own cartridges. That said, using Spectrum cartridges in a Spectrum housing guarantees the fit, since they're designed together.

This depends on the specific housing and material — check the individual product's technical data for its maximum working pressure before installing on a high-pressure supply. Stainless steel housings generally handle higher pressures than polypropylene equivalents.

This varies by model — some Spectrum housings include a bleed valve as standard for easier depressurisation during cartridge changes, while others don't. Check the specific product listing, and if you need one and it's not included, we can advise on a compatible accessory.