Nanofiber Filters are certified space technology co-developed by NASA!
Space Foundation
  • 99.9998% virus reduction
  • 99.9998% bacteria reduction
  • 99.99% giardia, cysts reduction

With Certified Space Technology, you now have access to the same water filtration that is used by NASA on the International Space Station to keep our Astronauts safe and healthy.


Water Pure's, Rain Master is a 3 Stage-Self-Cleaning Water Filter system. Ideal for well water, rain catchment, RV's, and home use.


  • Patented, Triple housing - single head, uni-body construction, eliminates 4 potential areas where leaks could occur.
  • 1st Stage Pre-filter cartridge, with stainless steel 90 micron mesh, self-cleaning.
  • 2nd stage 25 micron filter cartridge with polypropylene thread
  • 3rd stage 10 micron filter cartridge with activated carbon
  • Mounting bracket, screws, wrench, as pictured.
For the Filtration of:
Sand, dust, rust, chlorine, pesticides. heavy metals, bad taste, smell
insecticides, solvents, bacteria, virus, fluoride, lead, pesticides, and more.
Rain Master can be connected directly to the main water supply or BEHIND a pump. It is designed to be very space saving.
                                                                                                                             Today recycling of rain water is an absolute must. The first stage of filtration utilizes a PATENTED - 90 micron, stainless steel screen filter, which is Self-Cleaning by use of a backwash lever. The filter housing has a discharge valve and a return flow which protects the drinking water supply.
                                                                                                                                 IAPMO Certified