When ordering from the US, parcels may be subject to import tax and duty charges, which the buyer is responsible to pay. NEW Lot of 11 TEK BetaPure 3M Lab Filters AU Series # 3QC-222-10-AU10Z13FC020 This product data sheet is originally written in English. NEW Lot of 11 TEK BetaPure 3M Lab Filters Z or AU Series # 3QC-222-10 AU10Z13FC020 please check out my other high-end filters items!!! I am the only seller . New in the pack - These are new and good. The Betapure AU Filter is inside the TEK Housing. IF you want the BetaPures you have to break open the TEK Housings. But this is still worth the price I am selling for. There are 11 filters here plus another BetaPure Filter. Not sure what this is used for but this is from the manufacture: 3QC-222-10-AU10Z13FC020 ENCAPSULATED BETAPURE Z FILTER, QUICK CHANGE DESIGN, 10", 2 MICRON ABSOLUTE, 222/FLAT, EPR O-RINGS *. Will ship international. / FREE USA SHIP please ask questions. Please look at pictures. NEW Lot of 11 TEK BetaPure 3M Lab Filters Z or AU Series # 3QC-222-10 AU10Z13FC020 please check out my other high-end filters items!!! I am the only seller . New in the pack - These are new and good. The Betapure AU Filter is inside the TEK Housing. IF you want the BetaPures you have to break open the TEK Housings. But this is still worth the price I am selling for. There are 11 filters here plus another BetaPure Filter. Not sure what this is used for but this is from the manufacture: 3QC-222-10-AU10Z13FC020 ENCAPSULATED BETAPURE Z FILTER, QUICK CHANGE DESIGN, 10", 2 MICRON ABSOLUTE, 222/FLAT, EPR O-RINGS *. Will ship international. / FREE USA SHIP please ask questions. Please look at pictures. Brand TEK Industries Model encapsulated MPN AU10Z13FC020