$200 discount when you trade in and upgrade to a new Culligan systemSeptember 16, 2020 byGet up to a $200 discount when you trade in and upgrade to a new Culligan system. Category: Water Treatment Solutions Description Description Get up to a $200 discount when you trade in and upgrade to a new Culligan system.Related products Add to cartAC-30 Reverse Osmosis System $13.00 Select optionsMedalist Filters $65.00 Read moreCulligan Water Softener and Drinking Water System for $1 a Day for 99 days Add to cartReverse Osmosis System & a Water Softener for only $39.95 a month $39.95