Comparison : Item # 0004A-1029W, NaCl Sandwich Cell - 38.5mmx19.5mm, Wilks Cell
Item # 0004A-1035W, NaCl Sandwich Cell - 38.5mmx19.5mm, PE cell
Item # 0004A-1043W, NaCl Sandwich Cell - 38.5mmx19.5mm, SL-3 Dispersive
Item # 0004A-1049W, NaCl Sandwich Cell - 41mmx23mm, Beckman Cell
Item # 0004A-3775W, NaCl Sandwich Cell - 32mm dia, SL-2 & Spectra-Tech Dispersive