Active Air Pre-Filter for ACCF166, 6" x 16" PH/EC/TDS Meters and Solutions a feature that aids in

a feature that aids in the regulation of air and water flow

cooling and heating transport

It's made with T304 stainless clamps and heavy-duty components for long-lasting durability

CO2: 300-2500PPM

Extra Strength 1020 Tray (Black)Durable

Active Air Pre-Filter for ACCF166, 6" x 16" PH/EC/TDS Meters and Solutions a feature that aids inDescription Effective Life Extension: Enhance your Active Air carbon filter's performance with a corresponding Active Air pre filter. This pre filter helps to prevent larger particles such as dust and dirt from interfering with your filter's functionality. In doing so, it maintains your carbon filter's efficiency over a longer duration. When the pre filter appears visibly dirty or discolored after a few weeks, it can simply be replaced. Assorted