Shark NV350 Series Foam Filter Kit. Part No. FILTSH3.Foam filter & filter pad set for Shark Lift Away models NV350, NV351, NV352, NV355, NV356 & NV357.Foam filter dimensions - 170mm x 160mm x 25mm.Filter pad dimensions - 170mm x 160mm x 4mm.We have been supplying appliance parts to the trade and retail for over 25 years. Buy with confidence.