Free shipping applies to all domestic orders. Orders are processed and shipped during regular business hours (Monday through Friday 8:00 am to 5:00 pm EST, excluding holidays).
Save an extra 20% off your entire order with coupon code: HOLIDAY20
*May exclude certain brands.
**May not be combined with any other offer.
Code expires 12/13/13
Lees Disposable Zeolite Cartridge (2-Per Card) is an easy-to-install cartridge that solves the common problem of ammonia build-up that fouls aquarium water and destroys livestock. The Disposable Zeolite Cartridge is designed to fit our Economy, Original or Premium Under Gravel Filters.
For optimal performance, it is recommended that you replace your cartridges every 2-3 weeks.