ReplyBy Post Author Davesays: March five, 2020 at 4:02 am There are many sorts of rubber, and all of them are affected by ozone to various degrees.The rubber Employed in an air pump is most likely to become EPDM rubber which is generally more immune to ozone than others. Like https://charliebtjxq.wssblogs.com/17767194/a-review-of-automatic-fish-feeder