Housing for respiratory filter unit for human use

Description

1.1 is a perspective view of a first embodiment of a housing for respiratory filter unit for human use showing our new design;

1.2 is a front elevation thereof;

1.3 is a rear elevation view thereof;

1.4 is a top plan view thereof;

1.5 is a bottom plan view thereof;

1.6 is a right side elevation view thereof;

1.7 is a left side elevation view thereof;

2.1 is a perspective view of a second embodiment of a housing for respiratory filter unit for human use;

2.2 is a front elevation thereof;

2.3 is a rear elevation view thereof;

2.4 is a top plan view thereof;

2.5 is a bottom plan view thereof;

2.6 is a right side elevation view thereof;

2.7 is a left side elevation view thereof;

3.1 is a perspective view of a first embodiment of a Housing for respiratory filter unit for human use;

3.2 is a front elevation thereof;

3.3 is a rear elevation view thereof;

3.4 is a top plan view thereof;

3.5 is a bottom plan view thereof;

3.6 is a right side elevation view thereof; and

3.7 is a left side elevation view thereof.

The broken lines in the figures depict portions of the housing for respiratory filter unit for human use that form no part of the claimed design.

Claims

The ornamental design for a housing for respiratory filter unit for human use as shown and described.