Amazon.com has many
Purolator oil and air filters on sale, starting at $3 for 2
oil filters, and at $1 for
air filters.
1.
Click here and find filter suitable for your vehicle
2.
Click here, and search for the part number on Amazon
Note, make sure filter is sold by Amazon, since 3rd party sellers do not offer free shipping with Prime or on $25 orders, and may be more expensive