Samurai zlash!

All houses in Japan catched this notice.

It warned about dangerous heaters.

By the way...
These products' numbers are...

OK-2525
OK-2526
OK-2535
OK-2536
OK-3525
OK-3526
OK-3527
OK-3535
OK-3536
OK-3537
OK-4020
OK-4030
OK-2526HA
OK-3527HA
OK-4020HA
OK-302B
OK-303B
OK-402B
OK-403B
OK-R500F
OK-R501F
OK-V501F
OK-U501AF
OK-R800C
OK-R800AC

These products are OK?
No!
Not OK!
These are danger!

Ref. Matsushita Electric Industrial Co., Ltd. - Heaters produced in between 1985 to 1992 may cause accidents. (in Japanese)