Perfect Fit - Compatible with for Dolphin Nautilus CC Plus filter (Not Nautilus CC), Nautilus CC Supreme, M200, M400, M500, Supreme M4, Supreme M5, Sigma, Odyssey, Oasis Z5i, Oasis Z5, Triton Plus (old), Aquarius XL, Liberty, Wave 60/65, Wave 80/90, C3, C4, Bio; Replace for Maytronics part# 9991432-R4; Size:10-1/2inch (L) x 6-3/8inch (W) High-efficiency Fitration - Spring filter is designed to only trap large particle like leaves, debris when the pool is really dirty, prevents the filter from getting clogged quickly. Durable Frame - Make with heavy-duty ABS plastic, the pool robot filter is high resistant to rip, strong enough to use 2-3 years. Valuable Pack - Including 8 pack fine cartridge filter panels, greatly saving your money for years use; Rinse every 4-6 weeks for excellent performance. NOTE:This filter is not compatible with for Nautilus (old), Nautilus CC, Triton, Triton PS, Triton PS Plus. Type:Vacuum Cleaner Accessories Colour:Black-White Material:Plastic Package Contents: 8 * Pool Cleaner Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.