pH electrode InLab Expert Pro Back Catalog number: 51343101 Availability: In the manufacturer's stock Price on request - + Recommended MA841 Spare membrane for MW600 (5 pcs). Price on request MA913B/3 Combined Epoxy pH electrode MA913B/3 Price on request MA918B/1 Comb glass pH electrode 3 dia, DJ,refill, BNC, 1m Price on request