Part number 
PH0100SIUN23

The pH Safe 1 Neutralization Cartridge is safe, easy-to-install and eco-friendly. It's capable of neutralizing up to 200 gallons (800 liters) of acidic condensates at pH3.

Part number 
PH02CE01UN00

The pH Safe 2 Neutralization Cartridge is safe, easy-to-install and eco-friendly. It's capable of neutralizing up to a total volume of 2500 litres of acidic condensate at pH-3.