Pst-100X Respirator Hose Tube Pipe Assembly Universal 40Mm Thread, 1Pcs Product Features SUPERIOR AIR SUPPLY - Our respirator hose provides unhindered air supply even when bent or folded. With its long and flexible design (0.5m length), it ensures convenient and reliable breathing support. UNIVERSAL COMPATIBILITY - The respirator hose features a universal 40mm threaded interface design, allowing it to fit most respirator. Its tight and secure connection maintains a high degree of air tightness between the respirator and canister. DURABILITY AND SAFE MATERIAL - Made from durability rubber and featuring an expansion wave pattern with woven fabric, this hose guarantees excellent scalability and pressure resistance. It serves as a reliable gas channel connected to various types of respirators. ENHANCED MOBILITY - The respirator hose boasts flexibility and easy connection to any 40mm sealed NAT0 standard filter. It enables users to move freely while ensuring their breathing air remains purified and without the risk of exposure to nucIear, bioioglcaI, or chemlcai agents. VERSATILE AND EXPANDABLE - Measuring 20 inches in length, the respirator hose can be connected with multiple hoses to create a longer air purification system. It perfectly pairs with various respirator, such as the american adult respirator with filter, providing a secure fit, superior comfort, and low breathing resistance. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!