Ultra-fine pool filters 4pcs for Dolphin M400 M500 cleaner100% brand new and high quality,Made of high-quality materials, more durable<br> Exquisite and delicate, highly match with the equipment<br> High-efficiency robotic cleaning filter removes dirt and debris from the swimming pool, such as leaves, dust and diatoms. It makes your swimming pool spotless.<br> plastic frame, more durable. At the same time it can firmly support the filter layer and prevent it from breaking during operation.<br> Washable and reusable, these filters can last 2-3 years if used properly. Flush the filter every 4-6 weeks for best performance.Compatible with: For Dolphin Nautilus CC Plus, M4,M5,M400, M500, M200 , For Dolphin Triton Plus ,For Dolphin Wave 65 robot pool cleaners.(NOT for Nautilus CC)<br> The same as the model 9991432-R4.<br> Colour:Black+white<br> Material:plastic<br> Size:26.5 x 17.5 x 1.5cm<br> Package Contents:<br> 4 * Ultra-Fine Filters<br> Only the above package content, other products are not included.<br> 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.