General description Filter refill kit for pool cleaning robots, set of 2, Ref.: RCX70101PAK2. Compatible with Tigershark, Aquavac (300/QC), Evac, Evac Pro, and Sharkvac robots. These filters can be washed and reused, providing an economical solution for maintaining your pool cleaning system. Technical specifications Quantity: 2 Use: Water filtration Package contains: 2 filter elements Usage You can use a filter cleaning solution to effectively remove diatomaceous earth, excess dirt, and/or sand from the filters.