New answers tagged replacement
i would say that rule of thumb must be different for different places. e.g if you're living in industrial area like where you have alot of pollution in the air , you must go for change before the time mentioned in the manual but if you're living in healthy environment like well planned societies than it could lasts more than specified time. In short you must ...
One way you can fix it is by tapping in a 23mm socket into the drain. Then attach a ratchet to the socket and twist it out.
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