Billet Aluminum Valve Cover Breather

For Sale: Billet aluminum valve cover breather
Shipping from: Spokane, Washington, zip 99001
Price: $31 OBO shipped (small Flat Rate USPS) and PayPal fees (if applicable)
Payment Methods Accepted: Paypal or Money Order

No idea who makes it, came on a parts car many years ago.

Comes apart to clean it.

Don't really have any other info, sorry.