Three Year 6 Stage RO Replacement Osmosis Filter Set, with Aqua Filter FCCBL-Eco 3rd stage.

The Set includes: 1) Six pieces of Aqua filter Solid 10″ – 5 mic (First stage / replacement every six months) 2) Six pieces of Aqua filter GAC 10″ Activated Carbon filter (Second stage / replacement every six months) 3 ) Six pieces of Aqua filter Block 10″ Activated Carbon filter (Third stage / replacement every six months) 4) One piece Reverse Osmosis Membrane 50 GPD – 190 liters/24 hours (Fourth stage / replacement every 3 years) 5) Three pieces Aftertreatment Filter Activated carbon 2″ x 10″ by Aqua filter (Fifth stage / replacement every twelve months) Optionally, if your system includes it, you can also add to the set: 6) Three pieces Trace element enrichment filter 2″ x 10″ ( Sixth stage / replacement every twelve months) Notes : 1) If in doubt about the compatibility of this Set with your system, please contact us before your purchase with the exact reverse osmosis model you own available (Manufacturer/Type) 2) Fifth stage (Aqua filter 2″ x 10″ Activated Carbon Aftertreatment Filter) and optional sixth stage (2″ x 10″ Trace Element Enrichment Filter) do not include 1/4″ pipe fittings , which you can unscrew from your old filters and screw into the new ones after renewing the teflon tape on their threads. You can contact us for information.