Lost circulation fluid treatment
Low force closure filter with integral seal
Low fouling ultrafiltration and microfiltration aryl polysulfone
Low hold-up volume filter assembly
Low pressure reverse osmosis and nanofiltration membranes...
Low profile filter
Low profile static screen
Low volume, large area filters for IV or blood filtration
Low-cost portable water filter
Low-profile inline filter
Lyotropic liquid crystal nanofiltration membranes