Various

Fits only medium and large US M40 gas masks

This is the special cap for a standard plastic US military canteen that allows you to utilize the hydration systems of US M17, M40, and M45 gas masks.  Never issued in original packaging. Canteen not included.

A dust mask design with activated carbon media which provides about 95% of the effectiveness of a gas mask. Small, light weight and inexpensive enough to be carried in a pocket, purse, glove box, bug-out bag, desk drawer, and many other places where a full size gas mask would be too cumbersome. A refund for excess postage is usually issued for these, click on image for more information.

This is the canteen with special cap that allows you to utilize the hydration systems of US M17, M40, and M45 gas masks. Can also be used as a normal canteen.

Specifically for the Avon M50 or C50 hydration system design. Fits one or two quart US canteens.

OD green plastic 2-quart collapsible canteen with Type M hydration cap for the M17, M40, and M45 US military gas masks.

Department of Defense Kit with six masks, hand sanitizer and information sheet.

Canteen with special cap that allows you to utilize the hydration systems of US M17, M40, and M45 gas masks, and a cover that allows you to carry on a belt.

6-point replacement head strap for most US gas masks.

Fits only the US M40 in medium or large sizes. See also installation demonstration video on this page.