Notes on resin tanks: New> FEP sheets are pre-installed on the New Resin Tanks: 1x TANK 1x FEP (pre-installed) Used> FEP sheets will be RIPPED/CUT OFF on ALL Used Resin Tanks - buyers need to install FEP sheets prior to use.It WILL contain aesthetic signs of use/wear/teas/scratches/residue of resin.*the Tank Frame ONLY None of the purchase options contain the following: - Single-use Allen wrenches - clamping bolts *Leave us a message if you need one (at no cost BUT subject to availability).----Must leave a note on the variant for Mars 4 series:- Mars 4 (leave a note "Mars 4 ZERO suffix" )- Mars 4 Ultra- Mars 4 MAX- Mars 4 DLP