pH and free & total photometer Mi411-R Back Catalog number: MI411-R Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MR9600-415 Filter for Accuris Microplate Reader, 415 nm Price on request MI407 Ammonia LR photometer Mi407 Price on request E2100-E myVolt™ Mini power supply, 230V Price on request