WATERRO PLASTIC O-RING FOR PRO 200–800 MODELS The WATERRO plastic O-ring is an original spare part designed for WATERRO PRO 200, PRO 400, PRO 600 and PRO 800 booster pumps. It provides a secure internal seal, helps maintain stable operating pressure and prevents internal leaks. Made of durable technical plastic, the O-ring ensures a long service life and reliable reverse osmosis pump operation. Technical specification Parameter | Value Product | Plastic O-ring Compatible models | PRO 200, PRO 400, PRO 600, PRO 800 Application | Internal pump seal Installation | Spare part Material | Technical plastic Water type | Cold water Brand | WATERRO Key benefits - Original plastic O-ring - Compatible with PRO 200–800 models - Provides a secure internal seal - Prevents internal leaks - Durable technical plastic - Easy installation - Long service life