3M S-657 Standard Polypropylene S-Series Versaflo White Hood Assembly With Inner Shroud And Premium Head Suspension (For Use With Certain 3M Powered Air Purifying And Supplied Air Respirator Systems) (1/EA) Cocktail Mix The entire Saddle Vent system

The entire Saddle Vent system can be completely set up in less than five minutes

Use on the outside to protect another lens surface from damage

* Nylon bristles * Large suction cup base

The result is better protection

*4 5/8" diameter

3M S-657 Standard Polypropylene S-Series Versaflo White Hood Assembly With Inner Shroud And Premium Head Suspension (For Use With Certain 3M Powered Air Purifying And Supplied Air Respirator Systems) (1/EA) Cocktail Mix The entire Saddle Vent system3M S 657 Hood Assembly consists of a S 950 Premium Head Suspension and a S 607 Hood. It is approved for use with certain 3M Powered Air Purifying and Supplied Air Respirator Systems.