M5 M400/500 Active Brush Assembly filter-internal-diameter_13 9/16 inches This is an Acu-Trol ORP

This is an Acu-Trol ORP compatible replacement probe for Acu-Trol probes with part number 744000330

This fixed flow pump is rated to pump 40 gallons of chemicals per day at 25 PSI

The standard probes supplied are 12 inches in length and cut to suit size in field

combining the unique benefits of key-lockability and reliable latching action with superior design and rust-proof components

M5 M400/500 Active Brush Assembly filter-internal-diameter_13 9/16 inches This is an Acu-Trol ORPThis is a Maytronics Active Brush Assembly for specific Dolphin pool cleaners. This brush assembly fits Dolphin models: Supreme M5, Wave 90, M400, Triton Plus, and M500.