FILTER IT?

. . .YOU CAN'T EVEN SEE IT!

Any suspended particle under 0.2 microns is small. In fact, you won't even see it under an optical microscope. Yet Dicalite finds it, traps it and filters it to assure you of the ultimate in filtrate purity.

You get this infinitesimal separation with one type and grade of Dicalite filteraid. It meets a spe­cific need. Your filtration requirements might be different.

To help you obtain optimum performance and economy in your filtration process, Dicalite offers all four major filteraids. A complete range of grades assures you of the one best suited to produce maxi­mum filtration efficiency in your particular produc­tion. Call your Dicalite sales engineer or agent. He will be happy to work with you to make sure your filteraid is right for you.

Slides shown are: (a) algae, (b) mycelium and spores of pen ici I Hum, (c) escherichia coli.

DICALITE DEPARTMENT • GREAT LAKES CARBON CORPORATION • 630 Shatto Place, Los Angeles, Calif. 90005

34 C & E N

Dicalite • ^ WORLD LEADER IN FILTRATION

PERLITE

DIATOMITE

DIABESTOS®

SOLKA-FLOC®