Frequently asked questions
Faq categories
Ultimate Star Filter®
What is the filtration performance of Ultimate Star Filter® gravity filters?What is the composition of the Ultimate Star Filter® water filter?
What is the lifespan of an Ultimate Star Filter®?
What is the normal flow rate for an Ultimate Star Filter®?
Do Ultimate Star Filter® filters remove minerals?
Do Ultimate Star Filter® filters remove limescale?
Can Ultimate Star Filter® be used with a softener?
Do Ultimate Star Filter® filters contain silver?
Compatibility of the Ultimate Star Filter® water filter with other systems
Are Ultimate Star Filter® filters NSF® certified?
Do Ultimate Star Filter® filters comply with REACH regulations?
What is the useful volume of each model?
What type of water can I filter with my Star Water Filter® gravity water filtration system?
Are Ultimate Star Filter® filters effective against fluorides?
Are Ultimate Star Filter® filters effective against nitrites and nitrates?
Is there any silver in Ultimate Star Filter® water filters?
Is there activated alumina in Ultimate Star Filter® water filters?
Why do black particles sometimes appear in my upper tank?
Why are Star Water Filter® gravity water filters among the best water filters on the market?
Can I be self-sufficient in drinking water with Star Water Filter® water filters?