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Quick Details

  • Type: ceramic cartridge
  • Use: Gravity Water Filter
  • Certification: CNAL
  • Power (W): 0
  • Voltage (V): 0
  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Pureeasy
  • Model Number: HF521
  • Product Name: Gravity Water Filter
  • Pore Size: 0.2 micron
  • Bacteria removal: 99.9999%
  • Flow Rate: >40ml/min
  • Holding capacity: 14liters
  • Capacity: 5,000liters
  • Package Size: 28x28x38cm
  • Weight: 2.1KG
  • Dimensions when assembled: 25x25x60cm
  • Material: Ceramic,polypropylene

Packaging & Delivery

Packaging Details carton box
Delivery Time 30 days

    New water filters for low income households


          Removes harmful substance in water, provides you with safe and healthy drinking water. 
          Turn tap water, rain water and natural sources water into drinkable water immediately.



Product description:


PUREEASY cooperated with America NGO PATH (http://www.path.org) developing new gravity water filter HF 521 for low income households in 2012, it was tested according to US EPA P231 in America independent third party laboratory, the testing results show new gravity water filter HF 521 can remove 6 log( 99.9999%) bacteria.

Among PATH recommended five kinds of C1 filter elements, there are four were produced by PUREEASY, only PUREEASY products are classified category A which meets or exceeds interim WHO guidelines for pathogen reduction.



PATH C1 common interface compatible design 

No electrical or running water required for operation 

Removes bacteria such as E.coli and protozoa in water 

Without affecting beneficial mineral and micro element in water 

Easily cleaned for longer usability 

High performance and low cost  

Less expensive and easier than boiling water. 

Available with silver coating for extended usable life.

Horizontal ceramic cylinder for increased flow rate.




       99.9999% bacteria removal, 

       99.9% Giardia, Cryptosporidium, and other parasites. 

       99.5%turbidity removal. 

       Suspended particulates, dusts, rusts

       All types of particle contamination down to 0.2micron.


Technical date:

  • Filter capacity: 3000L
  • Flow rate: 2L/min
  • Holding Capacity: 14 liters (6.5 top chamber/7.5 bottom chamber)
  • Dimensions when assembled: 25x25x60 cm
  • Inner box packing size: 27x27x39 cm
  • Weight in box: 2.4 kgs
  • Quantity in 20 foot container: 1,050 units
  • Quantity in 40 foot container: 2,100 units

Device available models:


Performance of filter elements in removing pathogens

US EPA P231 testig report in America independent third party laboratory



What is log reduction?

“Log reduction” is a mathematical term (as is "log increase") used to show the relative number of live microbes eliminated from a surface by disinfecting or cleaning.

 For example, a "6-log reduction" means lowering the number of microorganisms by 1,000,000-fold, that is, if a surface has 1,000,000 pathogenic microbes on it, a 6-log reduction would reduce the number of microorganisms to one.

6-log bacterial reduction is 99.9999% bacteria reduction.

 Log Reductions

  • 1 log reduction means the number of germs is 10 times smaller
  • 2 log reduction means the number of germs is 100 times smaller
  • 3 log reduction means the number of germs is 1000 times smaller
  • 4 log reduction means the number of germs is 10,000 times smaller
  • 5 log reduction means the number of germs is 100,000 times smaller
  • 6 log reduction means the number of germs is 1,000,000 times smaller
  • 7 log reduction means the number of germs is 10,000,000 times smaller





·Device with C1 Common interface

·Filter element not included

·100% polypropylene material



·Device with C1 Common interface

·Filter element not included

·SAN and polypropylene material





Filter element available models:





·Filter element with C1 Common interface

·Ceramic cylinder, horizontal orientation

·Sliver coated

·Flow rate:>40ml/min

·Capacity:typically 2,000-3,000liters, up to 5,000liters under best conditions

·For efficiency performance see section performance 

of filter elements in removing pathogens of this guide

·Weight in box:140 grams




·Filter element with C1 Common interface

·Ceramic cylinder, horizontal orientation

·Flow rate:>40ml/min

·Capacity:typically 2,000-3,000liters, up to 5,000liters under best conditions

·For efficiency performance see section performance 

of filter elements in removing pathogens of this guide

·Weight in box:140 grams




Instructions for Assembly



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