This item will fit all 2 tube
sphygmomanometers

For over 100 years the standard sphygmomanometer has changed very little,
Welch Allyn in partnership with ADC have developed "Durashock". There are NO
gears or springs to breakdown, that is why it is the only aneriod to meet the USA
AAMI SP9 specifications for shock resistance. If the Gauge is the "Brains" then
the the integrated cuff is surely its "SOUL", it is bladderless and LATEX FREE and
incorporates a revolutionary port that allows leak free gauge connection (the gauge
even rotates for easy reading. Ultra light this is going to be the PROFESSIONAL'S
CHOICE of the FUTURE