Folks, if you've recently upgraded or renewed your annual club membership but it's still not active, please reach out to the BOD or a moderator. The PayPal system has a slight bug which it doesn't allow it to activate the account on it's own.
Did you put them in? Did they fit?
Believe it or not, all the housing manufactures make housings with unique sump to lid threads, and the orings are not interchangeable between brands. Remember to lube your orings with food grade silicone grease everytime you change your filters.
Russ