The pool filter replacement for PWW35L, 4CH-935, and 817-4035 features a high-efficiency filtration system with excellent chlorine resistance. Designed to capture dirt, hair, sediment, sand, and other debris, it helps keep your hot tub or swimming pool water clear and reduces the frequency of filter cleaning. This replacement filter includes 25% thicker filter fabric, durable end caps, and a reinforced inner core for enhanced structural stability, minimizing the risk of cracking or collapse during normal use. Built for long-lasting performance, it effectively traps contaminants to maintain clean water. Cleaning is simple—just remove and rinse with water. Material: Plastic Color: Blue Package Contents: 2 x Pool Filters Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.