Discus Studio's 20" dechlorinators/HMA systems. There are 3 variations.
option 1 is for those who require chlorine removal from their tap water.
option 2 is for those who may have chloramine in their water supply
option 3 is for those who may have chlorine, chloramine and metals in their water supply.
All systems come with a wrench to remove the filter bowls, 1/4" push fit ports, 3 mtr of 1/4" tubing and a 3/4" x 1/4" tap fitting.