4 ms·> if the old one fails If the old one fails, then i won't be around to buy a new one.by Rygian 2y ago> if the old one fails If the old one fails, then i won't be around to buy a new one.taneq 2y agoOnly if there’s a significant buildup after it fails.Rygian 2y agoIf there is no such significant buildup, then I don't need it anyway.