3M 603 User Manual

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Product Information

Filter Adapter 603

Issue Date 5/1/09

The 3M™ Filter Adapter 603 is designed for use with 3M™ Particulate Filter 5N11 or 3M™ Particulate Filter 5P71 and 3M™ Filter Retainer 501.

How to use the filter adapter 603

1.Align notch on edge of 603 adapter with facepiece mark, as shown, and push together.


Platform for 5N11 and 5P71 N95 and P95 prefilters.

Enables these filters to be directly attached to all 3M™ Full or Half Facepiece 6000 and 7000 Series Respirators.


The filter adapter 603 may be used multiple times on all 3M full or half facepiece 6000 and 7000 series respirators.

Provides cost-effective filtering solution when multiple filters are needed for elastomeric facepieces.

Break even analysis shows savings when used multiple times (based on suggested list per pair and similar replacement frequency)

5N11 filters x 7 = $25.72 (integrating the 603 and 501 adapters)

2071 disc filter x 7 = $26.18

You save using the 603, 501, 5N11 when you use more than 7 pairs of the 5N11

Packaging and Ordering Information

Part No.

Stock ID/UPC

Case Packaging



2 adapters per box,


50051138 54376 6

8 boxes per case

2.Turn adapter ¼ turn clockwise to stop. To remove adapter, turn ¼ turn counterclockwise.

3.Place filter into retainer (Part No. 501) with filter printing facing towards the 603 adapter. Snap together and ensure the filter seal is free from creases or gaps.

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