Milwaukee MA918B/1 Refillable Combination pH Probe - Conic Tip, BNC Connector hydroponics controller You get three complete filter

You get three complete filter units for immediate installation in multiple bathrooms

Push-fit quick-connect design — tool-free installation in seconds

Users can edit up to 25 different tanks

data-hold function and low-battery indicator

stylish bottle

Milwaukee MA918B/1 Refillable Combination pH Probe - Conic Tip, BNC Connector hydroponics controller You get three complete filterLab Grade Refillable Combination pH Probe with Conic Tip The Milwaukee MA918B 1 is a precision lab grade refillable combination pH probe featuring a unique conic tip design for fast, accurate pH measurement in laboratory, research, and quality control applications. Compatible with any Milwaukee BNC connector meter, this probe features a refillable reference system for extended life and optimal performance, plus a specialized conic tip for penetrating