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MIL-PRF-51526 Filter, Particulate, 200 CfmThis specification covers one type of High Efficiency Particulate Air \(HEPA\) filter rated at 200 cubic feet per minute \(cfm\) for use in a gas particulate filter set \(see 6.1\).

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MIL --- PRF --- 51526B

TABLE III. Classification of characteristics

TITLE

Sheet 1 of 1

DRWG NO.

PARAGRAPH

Filter, Particulate

4.3.5

CATEGORY

CHARACTERISTIC

SAMPLING

REQUIRE-

INSPECTION

MENT

METHOD

PARAGRAPH

Critical

Filtration efficiency

100%

3.3.2

4.4.2.2

Major

101

Airflow resistance

100%

3.3.1

4.4.2.1

Over- pressure and

Table II, level IX

3.4.7

4.4.3.7

102

filtration efficiency*

3.3.2

4.4.2.2

103

Safety, environment &

Table II, level IX

3.5.2

4.4.4.2

health

Minor

201

Table II, level IX

3.5.3

4.4.4.3

Identification markings

202

Table II, level IX

3.5.4

4.4.4.4

Workmanship

NOTES:

A- Analysis

D � Demonstration

E - Examination

COC � Certificate of Compliance

*Filtration efficiency is categorized as a critical defect