+3 Universal Pop-Off Valve VAD-62020 $329.00 In stock Quantity: 1 Add to Bag Product Details An adjustable pressure limiting (APL) valve Easy to use "trumpet valve" increases patient safety Momentary close mechanism is more durable to withstand everyday use Adjusting knob is green to indicate the valve is open Standard 3/4"-20 male thread universally fits on most anesthetic machines (*adapter required for some) Outlet is standard 19mm male that can be rotated *MTX-0400 adapter sold separately to allow pop-off valve to be used on Midmark, Matrx and Fraser Sweatman open domes Save this product for later Favorite