Enviro V1 Upgrade to V2

G.A.S Enviro V2 Fan Controller takes care of speeds for AC and EC fans and regulates on & off times for any piece of equipment in your grow room! Call us for more info.the v1 to v2 upgrade works like this:you send your V1 unit (which haven’t been sold in years) back to us, we ship it back to GAS the wholesaler,they then do a software upgrade on your V1 unit to match it to the V2 software which then changes the AC intakes and outtakes from left to..

£149.95