You can also use the and keys
Deletions are marked like this Additions are marked like this

The Honeywell North RU8500 is a half face elastomeric respirator produced by Honeywell. The RU8500 features a speech diaphragm to improve audibility. 

The RU8500 facepiece is made of a soft silicone similar to the Honeywell North 7700.

The RU8500 comes in three sizes (small, medium, large).

External links

See also