jpdb beta

filtration; filtering; percolation

strainer; colander; filter

unfiltered (alcohol)

filter paper

filter cloth

filter medium; filter material

filtered water; drainage

filtrate

virus

filtrand; filter residue; residue

filter basin; settling basin

paper chromatography

paper electrophoresis

glaucoma filtration surgery

ultrafiltration

water filter

filter bed

filter press

filter; wave filter

wort filtration; lautering; sparging

filter paper disk

parafollicular cell

Graafian follicle

follicle (esp. an ovarian follicle)