NEW Design! Larger Suction Cup Mount Sunsun Grech Wavemaker Circulation Pump (2 Cups) Attach to glass stronger. The surface area of the new suction cup is 50% larger than the old ones. Hold the wavemaker more stable. The newly designed ball joint is 100% heavier than the old design. Replacement suction cup mount with ball joint for Aquatop, Sunsun, Grech, etc. wavemakers Dimensions: 3.25"x 2.75"x 2.25" Includes: 2 pieces of suction cup