Less than one micron filters? Home › Forums › Public Forums › General Plumbing › Less than one micron filters? This topic has 1 reply, 2 voices, and was last updated 22 years, 7 months ago by GaryPurolite1. Viewing 1 reply thread Author Posts 11 Sep 2001 at 7:41 am #275252 MasterPlumbersKeymaster are there any pre filters that is less than one micron. here in the bahamas the plumbing shops have only 5 micron the lowest. please tell me were can i find 1 micron or or less , to stop dirth particuls that is smaller than 5 micron. 12 Sep 2001 at 2:49 am #291548 GaryPurolite1Participant Look for Pall or Millipore filters. Check the Pall site at http://www.pall.com. You can also go to http://www.ask.com and search for Submicron Filters.Pall Filters Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In