When my last shipment of air freshener refills arrived, the shape of the can had changed. I couldn't get them to fit my dispenser (a Technical Concepts Microburst 3000), so I contacted my vendor. Bet Law at www.freshbet.com was quick to investigate, and this was the word: The cans did change, but they would still fit existing dispensers—with some coaxing. The spray nozzle must be pushed downward with a fingernail in order to fit through the opening window. It worked . . . and my dispenser is bursting as usual.

In the photo, the two rounded cans at the left are the new style, and the one at the right is the old.