Basic P100 Slimline Halfmask Respirator Small 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.