Dosing Tip where the tip is immersed in the sample Back Catalog number: PC-1000-654 Availability: In the manufacturer's stock Price on request - + Recommended MA918B/1 Comb glass pH electrode 3 dia, DJ,refill, BNC, 1m Price on request MI58P pH/ORP/Temp probe for pH58 Price on request MI57P ORP/Temp probe for ORP57 Price on request