aerosol filter

aerosol capacity (of a filter)

band-pass filter / bandpass filter (BPF)

dust filter / dust shield, particle filter

dust shield / dust filter, particle filter

filter housing / filter unit

filter unit / filter housing

particle filter / dust shield, dust filter

finite impulse response filter (FIR-filter)

passband filter; bandpass filter (BPF)

aerosol

thermobaric bomb (aerosol / vacuum bomb, fuel air explosive [FAE])

aerosol grenade

aerosol multispectral screen

aerosol cloud

aerosol generating munition

aerosol protection ability

aerosol route

loose aerosol

bacteriological aerosol

air filter

filter-separator

fuel filter

gas-particular filter unit (GPFU)

home-made face filter

individual portable filter

oil filter

RF interference filter

filter stack

military-grade filter

slave oil filter

bag filter

bath filter