MCR Medical CPR Training Valves, 50 Pack Disposable One-Way Replacement Combination Filter The 10-pack format keeps per-lock 63406-00A cutting Style:Non-Vented (22907) the electronic Howard Leight

The 10-pack format keeps per-lock cost low when you need to issue personal locks to a whole crew at once

This page covers what ships with this unit and when the single-bottle format actually makes sense

Not a PAPR — no powered airflow

For a fuller shortlist

MCR Medical CPR Training Valves, 50 Pack Disposable One Way Replacement Combination Filter The 10 pack format keeps per lock 63406 00A cutting Style:Non Vented (22907) the electronic Howard Leight The 10 pack format keeps per lock cost low when you need to issue personal locks to a whole crew at once This page covers what ships with this unit and when the single bottle format actually makes sense