Horiba D-54 Rental (pH Only) SKU RN-HOR-D54-PH Rental Rates Daily Weekly Monthly $32.00 $95.00 $284.00 Select product Horiba D-54 Rental (pH Only)Horiba D-54 Rental (ORP Only)Horiba D-54 Rental (Conductivity Only)Horiba D-54 Rental (All Probes) Daily Weekly Monthly Quantity