M200/Nautilus CC Plus Cleaners Only Motor Unit monitors_pH/ORP The Sample Sizer measuring tool

The Sample Sizer measuring tool is designed to be used with Taylor's 25 mL Sample Tube (included in most test kits) and its 10 mL sample tube

This is a plastic recessed in-wall pool step by Paragon measuring 15-1/2 inches in width

The valve helps to relieve pressure that builds up inside the filter

This comes as a two pack in the color white

M200/Nautilus CC Plus Cleaners Only Motor Unit monitors_pH/ORP The Sample Sizer measuring toolThis is a Maytronics motor unit for the Dolphin M200 (E55) and Nautilus CC Plus robotic pool cleaners. Please ensure you have either the Dolphin M200 or the Nautilus CC Plus cleaners before you order this item. This motor unit will only fit these two cleaners.