We've got the latest prices for the item you're looking for. Prices updated every 24 hours. http://www.homewareweb.com/item/B000NSGKYY/doskocil-manufacturing-co-inc/49-761PK/ http://ecx.images-amazon.com/images/I/51NFQ3hcDBL._SL160_.jpg http://www.homewareweb.com/item/B000NSGKYY/doskocil-manufacturing-co-inc/49-761PK//link_from_rss/ Lowest Price as of Sun, 30 Nov 2008 16:14:14 -0500 was $29.95. Product Description -- Buy 5 and Save. Refill cartridge for the LitterLocker Plus. Refills last 2 months for 1 cat. http://www.amazon.com/pack-Litter-Locker-Refill-Cartridge/dp/B000NSGKYY%3FSubscriptionId%3D086BYTDRAVNDKW0AX082%26tag%3Dhomewarewebco-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB000NSGKYY Sun, 30 Nov 2008 16:14:14 -0500 http://www.homewareweb.com/pricewatch/B000NSGKYY/