20% off canister filters
http://www.petco.com/Shop/ProductList.a ... r-_-062708
For some reason they only have the xPs under the turtle section
http://www.petco.com/product/14447/Rena ... ilter.aspx
ALSO; rumor 'round the internets is that the $1 a gallon sale PetCo. has will be August 22nd thru September 5th this year. I wasn't able to find an actual ad, or anything remotely credible on the subject though.