{"product_id":"usgi-chemical-biological-mask-internal-drink-tube-m40-m42-m45","title":"USGI Chemical-Biological Mask Internal Drink Tube (M40, M42, M45)","description":"\u003cp\u003eUS Genuine Issue Internal Drink Tube for M40, M42, and M45 series chemical-biological masks - in new unissued condition in original sealed packaging. \u003c\/p\u003e\n\u003cp\u003eThe internal drink tube is a core component of the modern hydration systems used within the JSLIST ensemble and alongside the JSGPM (Joint Service General Purpose Mask).  Its primary purpose is to allow the wearer to drink from a canteen or hydration bladder while maintaining a chemical-biological seal.\u003c\/p\u003e\n\u003cp\u003eQty: \u003cspan style=\"font-size: 0.875rem;\"\u003e5x per-package.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNSN\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e4240-01-441-0557\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eChemical Resistance:\u003c\/strong\u003e Manufactured from medical-grade, chemical-agent-resistant rubber (typically silicone-based) to ensure it does not degrade when exposed to toxic environments.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eHands-Free Operation:\u003c\/strong\u003e The tube is designed to be grasped by the mouth from inside the mask, allowing the user to drink without using their hands to position it.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eCustomizable Length:\u003c\/strong\u003e The tube is purposely long and is intended to be trimmed by the user during initial fitting to sit comfortably at their mouth.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eFail-Safe Seal:\u003c\/strong\u003e It works in conjunction with an external coupler and internal valves to prevent the backflow of liquid or the accidental intake of contaminated air. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eMOPP Integration:\u003c\/strong\u003e Allows for essential hydration while in full JSLIST (MOPP 4) gear, which is critical for preventing heat-related injuries during extended operations.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eVersatility:\u003c\/strong\u003e While officially for the M40\/M45 series, its standard sizing makes it a popular \"universal\" replacement or upgrade for other CBRN masks not originally equipped with a drinking system.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003ePressure Equalization:\u003c\/strong\u003e When used with an M1 Canteen Cap, the system allows the bottle to contract as liquid is drawn out and re-expand once the pressure equalizes, ensuring a steady flow of water. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eCleaning:\u003c\/strong\u003e The tube should be regularly inspected for cracks, cuts, or clogs. It can be cleaned with warm, soapy water, and a long-reach brush is often used for the interior.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eContamination Check:\u003c\/strong\u003e Before each use, users are trained to check all mating surfaces for contamination to avoid ingesting chemical agents.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Revolution Depot","offers":[{"title":"Black","offer_id":48751984574691,"sku":null,"price":34.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0788\/8558\/5123\/files\/4240-01-441-0557_00.webp?v=1775713898","url":"https:\/\/revolutiondepot.shop\/products\/usgi-chemical-biological-mask-internal-drink-tube-m40-m42-m45","provider":"Revolution Depot","version":"1.0","type":"link"}