Life Spans Flashcards
1
Q
Respirator
A
20 years
2
Q
Harness
A
5 years
3
Q
Primary filters
A
15 years
4
Q
Valves
A
20 years
5
Q
Secondary Filters
A
20 years
6
Q
Bottle cap
A
20 years
7
Q
Haversack
A
30 years
