With an even distribution of slits along the flared base of the downstem, you'll notice a steady flow and percolation action going on. 

To be used with the Classic Beaker Base.

Made from non-porous laboratory grade Borosilicate glass. It will not absorb odors or chemical residues.

Specs

Material: Laboratory Grade Borosilicate
Ground Joint: 18mm Male
Bowl Joint: 14mm Female
Length: 5.5" (14cm)

Included

1 x Slitted 18/14mm downstem 

Other

Images are for reference only. As each piece is individually hand-crafted, slight variations can occur.