SAS 3690-11 Basic P100 Slimline Halfmask Respirator Medium Item # Retail Pkg. # Size Filter SAS 3590-11 SAS 3590-51 Small P100 SAS 3690-11 SAS 3690-51 Medium P100 SAS 3790-11 SAS 3790-51 Large P100 • Universal nose fit • Large sealing surface for excellent fit • Advanced yoke design for a secure comfortable no-slip fit • NIOSH Approved • Hypoallergenic • Made with the high quality silicone • 1 year limited warranty Shipping Charges are based on Zone, Weight and Dimensions. For Quantity Discounts, please scroll to bottom for prices. Discounted prices will automatically calculate when item quantity is reached when ordering.