Pulmoguard II fits the following instruments without an adapter: Adapters available for instruments not listed.

Breon – All Models_
CDX – Spiro 110 (remove black fitting), Spiro 850_
Cavitron/Donti – All Models_
Cosmed – All Models_
Creative Biomedics – All Models_
Futuremed – Discovery, Spirobank, Spirovision III_
Medical Equip Designs – All Models (remove black fitting)_
Micro Medical/Direct – All Models_
MIR – All Models_
Multispiro – All Models except PC (remove black fitting)_
Ohio – All Models_
PK Morgan – 232_
Riko – All Models except AS300_
S&M – Keystone_
SDI - SBOffice, SBG, spirotel, Spirolab, Spirolab II, Astra series with 7983 adapter
Smiths Medical - All models
Spirometrics – All Models except LTE, 2500 LTE_
VacuMed – Discovery, Micro, MicroPlus, MicroGP/DL, MicroLoop, Pony, Spiroscreen, Wizard_
ViaSys - MicroLoop, MicroLab
Vitalograph – All Models_Wright Professional Peak Flow Meterxcept Presto Flash