General description The W69698 Diaphragm is designed for compatibility with Zodiac Baracuda G3 and G4 Robot Automatic Pool Bottom Cleaners. This product comes with a W81600 retaining ring and is sold in a pack of four pieces, ensuring you have enough replacements for your cleaning needs. Technical specifications Compatible models: Zodiac Baracuda G3, G4 Part number: W81710 Includes: 4 diaphragms and 1 retaining ring Usage Replacing the diaphragm is a straightforward process. Simply unscrew the old diaphragm and push it out from the bottom, then install the new one.