Wix oil filters

Sorry, if this is the wrong location to post. I tried to search for the original posting I saw a couple weeks back, but had no luck.
Anyway, just wanted to follow up on the post about "Filter1". I ordered a half dozen 51515's and half dozen 57899's, less than $6 each, free shipping because of the quantity. Arrived in great shape in about a week. Looks like the real deal, very satisfied with the purchase.