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HLS Bucket Purifier - HLS-1
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Developed at the request of Department of Home Land Security (DHS) / FEMA


The HLS-1P is a gravity-fed, bucket-design, water filtration and purification system intended for
emergency use. Only portable device to pass NSF P248 Municipal Water Protocol.


  • Testing conducted by NSF to modified NSF P-248 Protocol
  • Highly effective in eliminating bacteria, cysts and viruses
  • Able to handle high levels of sedimentation
  • Hi capacity – tested to 100 gallons with no reduction of efficacy
  • Indefinite storage-shelf life
  • Virtually anyone can use – Very easy to use gravity-flow filter process
  • Excellent visual (pictorial) operating instructions
  • No or little assembly required (level based upon level of assembly ordered)
  • No power requirements (either internally or externally)
  • Superior alternative to current use of bottled water for emergencies (lower cost of distribution, no waste, drastically reduced storage space requirements)
  • Simple to distribute compared to bottled water
  • Extremely durable
  • All components produced and systems assembled in USA



The HLS-1P system consists of two stacked and interlocked one gallon (food-grade plastic) pails. Three multi-stage filters are used to purify the water supply. (See schematic)


STEP 1: The top pail has a cloth fine mesh pre-filter (Item# 1809) which the untreated water is poured through, capturing any large debris/discoloration that may be in the untreated water source.


STEP 2: Water then flows through a 6 inch pleated hydrophilic 0.5 micron absolute pre-filter (Item# 1810) which mechanically traps turbidity, sediment, bacteria and cysts larger in size then 0.5 micron.


STEP 3: A 2.5” x 6” multi-stage purification cartridge (Item# 1813) provides the final stage of filtration/purification by destroying any remaining bacteria and virus in the water supply.


STEP 4: A final bacteriostatic polishing media (within Item #1813) removes any undesirable tastes or odors.

  • Flow Rate: 1/10th gallon/minute or 6 gallons/hour
  • Temperature Range: 40o – 90o F
  • pH Range: 6-9
  • Capacity: 50 to 100 gallons (As specified for this test.
  • Greater capacities are available upon request.)
  • Dimensions When Fully Assembled: 8” x 8” x 16”
  • Weight 3 lbs

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