Poulan Air Filter part# 23369 supersedes to part# 530-023369. Dimensions are 3-1/4" by 1-1/2" by 1-1/2". This filter is listed as "No Longer Available" by the manufacturer. We could only find one model listed as using this filter, S25CVA chainsaw. There may be models that use this part that we do not have listed here. Please refer to your owners manual or a parts breakdown for your model, to assure that this is the correct part for your machine, before you order.