7" STAX® Straight Base made on 44mm tubing with a honeycomb disc perc, 34mm plastic joint clamp, and 14mm STAX® Funnel Bowl. Fits any STAX® perc or mouthpiece.The STAX disc base is 7" tall and made on 44mm tubing. Its honeycomb disc forces water and smoke through tight restrictions, removing tar and debris. The disc 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.