D / R Dispenser 1.0-11.0, Each

Details:

Reusable dispensers hold two rolls of standard-size hydrion ph papers - 15 ft.L x 0.21 In.W (4.6M x 0.55Cm) - plus matching color chartsfeature stainless-steel cut-off lips on each sidewide-range paper provides a sharp color change for each full ph unit