One set of 2 Oil Separator filters. 

This replaces Rotant Part # 301138.  The dimensions are  228 mm x 88 mm high.

If you are not satisfied with this item, send it back unused and we will gladly refund the purchase price (minus shipping) within the first 15 days.

Thank you for taking the time to look at this item.  Feel free to e-mail with any questions.