Square Ring, Paramount PCC2000,Cleaning Head,Silicone, Qty 4. These rubber gaskets are designed to be installed on the Paramount PCC2000 Rotating & Fixed Cleaning Heads. The gasket provides a secure connection between the cleaning head and the floor fitting. This part includes 4 Orange Gaskets. The Paramount PCC2000 Infloor Pool Cleaning System is uniquely designed for every pool size and shape. It uses larger nozzles for a larger cleaning range requiring less cleaning heads than the competitors. The cleaning heads are easily removed with one of the Paramount Large Nozzle Tools. We offer them in three styles: Plastic, Hybrid, and All Metal. The PCC2000 Heads install counter-clockwise and are removed by twisting the tool clockwise. The PCC2000 Rotating Heads include three jet inserts measured at 1/4", 3/8", and 1/2"