Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! [Compatibility]9991467-R4 Ultra Fine filter Compatible with for Dolphin Pool Cleaners: Active 20 | Active 30 | Active 30i | Active 40 | Active 60 | Advantage Ultra | Discovery (new) | Explorer E30 | Explorer E50 | Explorer E70 | M600 | Mercury | Premium | Proteus DX4 | Proteus DX5i | Prowler 920 | Prowler 930 | Prowler 930W | Quantum | S200 | S300 | S300i | S400 | T35 | T45 | T55i | Triton PS | Triton PS Plus | Warrior SE | Warrior SI. [OEM ]9991467-R4 The ultrafine filter sturdy and durable, will not deform or break. [Easy to Clean]The pool cleaner's filter pops out easily and can be rinsed directly from the filter with a garden hose to quickly clean dirt from the filter, the filter is reusable! [Efficient Filtration]pleated filter isolates dirt from the bottom of the pool, which is picked up by the pool cleaner.<br><br>[Simple Installation]Replacing the filter with the 9991467-r4 ultrafine filter is simple and straightforward. Each panel is numbered and it is recommended that you remove the filters in order from 1-4 and then install them in order from 4-1 for the easiest replacement. There may be slight color difference or difference between the actual product and the actual product. Colour:Photo Color Material:Plastic<br><br>Package Contents: 1set x Ultra Fine Filter<br><br>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.