The 20” Unblockable VGB Superflow 360 Pebble Top Drain Cover by Color Match Pool Fittings features a removable grate that can convert to an OpenFlow 360 for debris removal. It is made to disappear into the pool floor with the Pebble Top Technology that adheres to plaster, aggregate or tile to top the cover. Superflow features a flow rate of 384 gpm and a hydrostatic relief valve port. 

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