You are Looking at a Brand New Uni 2 stage airfilter NU 4105ST for Honda Dirt bikes. This filter fits 1987-1988 CR125/500 and 1987 CR250. The uni filter fits in the stoke airbox and is an extremly low resistance,high flow design. It is easy to clean and re-oil and has a 2 stage design -leave the outer layer dry for longer high-flowing service; or oil it for unusually wet conditions. Shipping is added to the purchase price with the shipping calculator.Please feel free to ask questions prior to buying.My email address is firstname.lastname@example.org . The buyer is to pay actual shipping expenses. I will combine multiple purchases for a reduced price on shipping whenever possible. I will email you letting you know that payment was received and the item was shipped.New York State residence will be charged 8.00% sales tax.