Sundstrom Pre Filter SR221

About Product:

1x 5 piece pack - sold as 5 filters in one Pack

• Designed to capture coarse particles before they reach the main filter, helping to extend the service life of your Sundström mask filters.
• Greater efficiency when used with compatible Sundström respirators
• Fits securely into the pre-filter holder and snaps onto particle or combined filters. 
• Added splash protection