HorizonTech FALCON Mini Bubble Glass 4ml UK Please note these glasses will only fit the 2ml Falcon Mini or Falcon Resin Mini. An absolute must-have for anyone finding themselves filling their tank to often. 4ML Horizon Falcon Mini Glass Please note This glass will only fit the 2ml HorizonTech Falcon Mini or Resin Mini Tank. This Glass will not fit Resin Artisan and Falcon King!