A:Answer Hi Bill,
Thanks for reaching out to us. The dimensions for our filters can be found in the specs section on our website. For the XV series, here are the high performance filter dimensions:
4.75 inch x 2.375 inch x 0.75 inch / 120.4mm x 60.32mm x 19mm
They can be bought from our website, or from the retailers mentioned in the link below:
https://neatorobotics.com/where-to-buy/accessories/neato-xv-series-high-performance-filter/
Your Neato Team