Q Tube Replacement Kit is a prefect combo to give a refresh to your Q-Tube device. This kit contains: 1 O-Ring, 1 Foam Baffle and 1 Plastic Sleeve. Details The Q-Tube Replacement Kit helps extend the useful life of the Q-Tube Muffler by replacing important parts like the O-Ring, foam baffle and plastic sleeve. Features Product Features This kit will help to replace 3 parts of the Q tube that will help to extend the useful life of your device Specifications Product Specifications The Product Includes 1 O-Ring, 1 Foam Baffle, 1 Plastic Sleeve Foam Dimensions 3.75 in * 2.75 in * 0.25 in (L*W*H) Plastic Sleeve Dimensions 4.5 in * 2.75 in (L*W) **Laying flat** 0-Ring Dimensions Diameter of 1.25 in Manufactured by Breas Medical, Inc.