Compatibility 6piece Oring seal kit for sand filter motors models: 26323CA 26323EH 26331CA 26331EH 26337EH 26351EH 26351W 26361CA 26361EH 26361W 26371CA 26371EH 26381EH 28643EG 28645EG 28647EG 28651EG 28946EH 28948EH Provides proper fit and reliable performance with your pool system Long lasting construction Made from black synthetic rubber Resists wear and stress Delivers extended service life under regular use without frequent replacements Secure sealing Enhanced surface design improves seal integrity between piston valve and housing Helps avoid leaks Protects internal components from erosion or damage during operation Simple installation No special tools or skills required to old seals Remove the worn gasket and insert the rubber Oring for immediate restoration of efficiency Use scenarios Seasonal pool maintenance: worn seals in a sand filter motor to prevent leaks and maintain steady flow and pressure throughout the season Performance restoration: when filtration has slowed or leaks are noticed, with the kit to restore seal integrity and improve efficiency Motor refurbishment: during a rebuild or upgrade of compatible sand filter motors listed above, install the kit to ensure reliable sealing and longterm operation