I have removed the old cabin air filter and intended to replace it. I ordered a set of ebay for my 2003 maxima. Instead of one big filter I got 2 filters half the size of the original.

This is what I bought. Any ideas ?

http://cgi.ebay.com/ebaymotors/CABIN...Q5fAccessories

 

This is correct. The original filter is a one piece that you're able to wash and re-use once. The replacement filter comes in two pieces and is not washable.

 

Cool thanks, I didn't have the time to inspect them properly but do they click together?

 

somewhat. mesh is more of the word...regardless, they fit together nice and snug when installed.