MDV XL Degas Vessel for AOP 50 Sign Location/Number You will be able to

You will be able to test three separate times on the same disk

It is used for buffering pH Test with Taylor Kits

cracked gauge threads

This is a Pentair WhisperFlo XF Series Pumps 2 and 3 HP Diffuser for WhisperFloXF and IntelliFloXF Variable Speed Pumps and Sta-Rite 2 and 3 HP Pumps

MDV XL Degas Vessel for AOP 50 Sign Location/Number You will be able toComplete the installation of your AOP 50 by eliminating any possible off gas with the MDV 100J XL. The Mixing De Gas Vessel XL (MDV XL) prevents bubbles from returning to the pool, which eliminates bubble noise and visibility. By eliminating any gas off, the MDV unit reduces the potential for corrosion or deterioration of pool accessories like a pool cover. It also allows the use of an oversized ozone generator to ensure a greater disinfection margin