filtration, diverter, crossflow, activated carbon, pcv valve, purifier, separator, underdrain, eluent, filtrate, clarifiers, upflow, humidistat, venturi, adsorptive, condenser, sacrificial anode, macerator, strainer, prewash, desiccant, spooler, ultraviolet lamp, impurities, impeller, displacer, electrolytic capacitor, recirculation, drip pan, peltier, floc, microchannel, ingression, softener, clarifier, semipermeable membrane, absorbers, photocells, solarization, degas, degrease, molecular sieve, trommel, ammeter, vaporisation, matrix multiplication, fluorometer, plugs, hydrometer, lubricator, downpipe, backscattering, spout, backwash, dripper, nozzle, flocculation, airflows, plenums, silica gel, oxygenator, underflow, cordierite, showerhead, handwheel, cellulose acetate, halide, activated charcoal, cupric, carboy, elution, valving, regenerator, economizer, bimetal, oxidation, inlet manifold, refractometer, flow, diethyl ether, oxidisation, pellicle, capillary tube, phototransistor, seep, circulates, cuvette, trisodium phosphate, emissivity, voltage divider, extractor, manometer, silicide, buffering, retarder, fluxing, sieves, fractional distillation, gage, scrubber, fermentor, thickener, filters, niters, filtering, compensator, absorber, actuator, attenuator, concentrator, encoder, detector, resonator, mixer, monochromator, switch, collimator, filler, fuses, integrator, pass, amplifier, combinational, loop, nonlinear, optimized, hybrid, optimised, sensor, matching, multichannel, multiplier, multistage, oscillator, simplest, compositional, correlation, coupling

air cleaner, air filter, bacteria bed, coffee filter, diffusing screen, drain basket, filter bed, fuel filter, infiltrate, leach, light filter, oil filter, percolate, strainer, water filter

., air cleaner, air filter, bitumastic, carrier electrophoresis, coffee filter, diffusing screen, drain basket, express, filter-tipped, filter-tipped cigarette, filter bed, filter out, filter tip, filtrate, filtration, fuel filter, gasmask, gas helmet, glomerulus, kidney, light filter, oil filter, paper electrophoresis, respirator, separate out, strain, strainer, sunblock, sunscreen, sun blocker, water filter

course, device, electrical device, flow, penetrate, run, separate

dribble, filter out, filtrate, percolate, permeate, separate out, sink in, strain, trickle