Genuine Mil-Spec Israel CBRN NATO 40MM Gas Mask Air Purifying Respirator Filter - MFG Date EXP 10/2045

• Official 40mm Chemical, Biological, Radiological and Nuclear CBRN NATO gas mask respirator filter. 
• Qty: 1
• Condition: New. Vacuumed sealed in MFG foil packaging.  
• Weight & Dimensions: 10 oz, 4.5"W x 2.5" H (not including thread connection)
• Thread: 40mm in accordance with NATO STANAG 4155 and EN148-1. Compatible with gas masks that accept the standard NATO 40mm filters. 
• Shelf life: 20 years when sealed in original packaging. Temp range: -10 C to +50 C. Relative humidity < 80%.
• Expiration: 10/2045. (Some of the pics show the older date, new ones being sent will have 10/2045 stamp.)
• MFG: Supergum Industries. 
• EN Standard: EN14378:2004 +A1
• Made in Israel.