Spectrum Thera+A Large Sinking (3-3.5mm) 150g
As Softenizer intakes water from outflow tube of an external canister filter, you need to connect right size of adapter depending upon the diameter size of outflow tube. Be sure to check your tube size whether it is 13mm(1/2"), or 17mm(5/8") diameter when purchasing a Softenizer.
- Softenizer Resin Packet x 1
- Softenizer-Filter Pipe Adapter 13mm x 1
- Softenizer-Filter Pipe On/Off Valve x 1