Pre-Filters for Bottling MF1.2-3F6S   Alpha Series pleated polypro   1 micron   30"   Code 7     QL0.5-30P7S   QXL Series pleated polypro   0.5-0.6 micron   30"   Code 7      GFC0.5-30P7S   GFC Series pleated borosilicate glass   0.5-0.6 micron   30"   Code 7  Pricing is available on request