Superior Glass Filter Tips Size12

With 2 oblate channels glass vortex，made from high quality borosilicate glass.
Length：30mm
Outside diameter：12mm
Because of the hand made nature of the product,the sizes indicated represent a range of sizes that you may receive.
8mm = 8.00mm~8.99mm
10mm = 10.00mm~10.99mm
12mm = 12.00mm~12.99mm
All Tips sold individually.