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Replacement filters for our popular Astroboy RO system

Select from pre-filters (three stages),  including post-filter( 4 stages in total) or all 5 stages including replacement RO membrane.


Description : Astroboy Replacement Filters

 Listed below are the different filters installed in the Astroboy RO system. The pre-filters should be replaced in 6 month intervals, the RO membrane every 3 years, and the post-filter annually. 


We are one of the few manufacturers who still insist on using only FDA/NSF certified filters manufactured in the United States.



 1stage: Inline 1 Micron Sediment Filter 



This 1micron sediment filter is made by Dupont Anti-Bacteria. High capacity filter removes dusts, particles and rust. Product complies with FDA test standard. Anti-Bacterial: 99.70%, and manufactured from 100% pure PP fine fibre. Product series have been passed the test in accordance with the filtering performance  test of ANSI-NSF standard 42 – particulate reduction class II-V of U.S.A.

Maximum Flow : 0.75GPM,Maximum Pressure:125PSI,Maximum Temperature:100F,

1st stage of ASTROBOY : Service Life:5500 litres

 2,3 stage: Inline Activated Carbon Filter



This granular activated carbon filter is composed of high-performance activated carbon that removes free chlorine, odour, organic contaminants, pesticides and chemicals that contributed to taste and odour.

Maximum Flow : 0.75GPM,Maximum Pressure:125PSI,Maximum Temperature:100F.

2nd & 3rd stage of ASTROBOY : Service Life:5500 litres


 4 stage: TFC 1812-50 USA membrane


Membranes are made in USA. (material are from Dow Chemical), manufacturer of the world’s most advanced reverse osmosis membranes. High rejection membrane with the capacity of producing 80 gallons per day. Eliminates up to 99.9% of most chemicals, dissolved solids, metals, bacteria, and viruses. 

4th stage filter of ASTROBOY : Service Life:40,000 litres


 5 stage : Post Carbon Filter



This post carbon filter is designed to remove any residual contaminants that could cause objectionable flavour profile.  It removes any residual impurities and odors and provides a finer conditioning of pure water. Maximum Flow : 0.75GPM,Maximum Pressure:125PSI,Maximum Temperature:100F.

5th stage of ASTROBOY : Service Life:12,000 litres 


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