7" STAX® Beaker Base made on 44mm tubing with a STAX® showerhead downstem, 34mm plastic joint clamp, and a 14mm STAX® Funnel Bowl. Fits any STAX® perc or mouthpiece.The STAX beaker base is 7" tall and made on 44mm tubing. Its showerhead downstem diffuses smoke through water and can be removed for easy cleaning. The beaker base comes with a 14mm STAX funnel bowl and can accommodate any STAX percolator or mouthpiece. This base works best with approximately 2" of water.