High Quality Water Filters


Rajah Filter Technics

Rajah Filter Technics provides high quality water purification solutions for Point of Use and Point of Entry (POU/POE) Systems in both residential and commercial applications.

About Us

High Quality Water Filter Solutions

We offer all kinds of activated carbon water filters in both block and granular forms. All our water filters are made from premium quality coconut shell based activated carbon to ensure low ash content and optimum purification.

We believe in continuous learning and therefore R&D is always a part of life at Rajah Filter Technics and we are always looking for something new. Our production processes are streamlined and continuously checked for optimum productivity.


Carbon blocks for removal of Chlorine, Lead, Chloramine, Biostatic, Arsenic and multi specialized blocks with different activity.

Nano Silver-impregnated activated carbon for Bacteriostatic and Biostatic with different percentage of loading from 0.05% to 0.3% of different mesh sizes like 8 x 30, 12 x 30, 4 x 8, etc.


Specialized Granular Activated Carbon with different mesh sizes (ASTM) (6 x 12) (8 X 20) (12 X 20) (20 X 50) (40 X 140) (80 x 200) (100 X 325) etc.


Specialized carbon for removal of Lead, Chloramine, VOC’s and also for combined claim.


All types of impregnated activated carbon

Water Filters

How Are Activated Carbon Blocks Made?

  In water filtration, activated carbon blocks remove contaminants and impurities by absorbing them from the water. Due to the high surface area of activated carbon, it contains many small pores that can trap organic or volatile compounds. Carbon filters made...

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See you at Aquatech Amsterdam

Aquatech Amsterdam Between October 31 and November 3, 2017, over 21,000 water professionals from more than 139 countries will meet in Amsterdam for Aquatech Amsterdam. Over 850 exhibitors are also expected to attend the world's largest trade show related to process,...

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How To Install An Activated Carbon Filter

An activated carbon filter is in many ways, the backbone of your water purification system. Most kinds of water purifiers use activated carbon blocks in one or more stages of the purification process. The most common type of filter is an RO filter which has a three...

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Silver’s History Of Water Filtration

Silver was one of the three metals, along with bronze and gold, that we know ancient people used in their solid forms for water purification and filtration as far back as the Persian Empire. Documents attest that some emperors would refuse to drink water that wasn’t...

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Water Filtration Systems to remove Cysts in Water

Cysts are the one celled, egg-like phases of some protozoans. Some are found in water and while a number are harmless, others such as Giardia and Cryptosporidium cysts can lead to disease. It’s difficult to kill these cysts because they’re protected by a...

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Water Filter Certification

The International Association of Plumbing and Mechanical Officials has had over 30 years experience in standard-developing efforts within the plumbing product niche. It is an American National Standards Institute(ANSI)-recognized Standards Development Organization...

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Cool Solution to Office Cooler Contamination

The water cooler is a common fixture of the office environment. In fact, water coolers in offices are so commonplace that there are saying built around them, such as "water cooler talk" for office gossip. Most people don't think twice about them -- but could your...

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No equipment required.