Adapt™ Convex Barrier Ring, 1 3 16 Inch, 1 Each Ultrasound Units Accessories An excellent solution for all Moist Heat Pack Accessories An excellent solution for all CPAP users ingenious yet simple * Prevents 'fighting' 'tug of war' and 'neck choking' of the CPAP tubing while sleeping * Helps to prevent CPAP mask leaks as you toss and turn * Top tubing and adjustable arm loop swivels and moves as you move allowing the user to move around at night without getting tangled in the CPAP hose * Elastic internal cord stretches as the user moves * Length is 40 * Base (5 wide x 8 long) slides between box spring and mattress installs in seconds no tools required antimicrobial Adapt Convex Barrier Rings can be used to help prevent ostomy output from getting under the pouch seal Adapt convex barrier rings can be used to create round or oval convexity