Hydrotech Pre and Post Carbon Filter

The Hydrotech Pre and Post Carbon Filter fits all HTF series systems. The 4 stage systems require this filter in the #2 and #4 positions. 3 stage systems with CTA membranes use this filter only as the post filter. 3 stage systems with TFC membranes require this carbon filter as both the pre and post carbon filter.

 Hydrotech 1230 Series Manual