For models: PB 590, Aeris 590, Respironics Millennium, Devilbiss 505DZ, 505DS, 303DZ, 303DS (Not for use in models: 515ADS, 515ADZ)
PT. # B-F015
For Models: Devilbiss 515ADS, 515ADZ - Respironics M-10 10 LPM Millennium (Main intake filter is also an intake silencer)
DEVILBISS 525DS/DZ COMPACT O2 CONCENTRATOR
DEVILBISS 515ADS/DZ O2 CONCENTRATOR
RESPIRONICS M-10 MILLENNIUM 10 LPM
PT. # B-F09
For Models: Invacare IRC5LX Platinum, IRC5LX, LXo2 (main intake filter is also an intake silencer for the Platinum model)
Invacare Platinum
Invacare IRC5LX
PT. # B-F012
For Models: Sequal Integra, Nidek Nuvo
Nidek Nuvo
Sequal Integra
Pt.# B-F012
For Models: Devilbiss 505DS, 505DZ, 303DS, 303DZ Main intake filter used on older model Devilbiss units. (filter is not a silencer, used for older models only) NOT FOR USE IN MODELS: 515ADS, 515ADZ
