Altmann Analytik Cartridge Check Valve System Kit for Waters model 510, 515, 525, 600, 610, 1515, 1525, 2690, 2690D, 2695, 2695D, 2795, Alliance

equivilant to Waters® 700000253 for model 510, 515, 525, 600, 610, 1515, 1525, 2690, 2690D, 2695, 2695D, 2795, Alliance®