When you contact me please be ready to purchase and contact me with a date and time. My location is in the advertisement and if this post is still up it is still available. If you are asking for anything less than what I posted the price for , please be ready to purchase the same day. I'm available everyday from 8:00 a.m. until 8:00 p.m. delivery fee is $10 and up. At the moment I make deliveries to Hollywood, koreatown, Southgate, Whittier, and Compton, Pasadena, Alhambra. The delivery fee is to be paid up front through chime. Other than that it is cash only. Fluval Biomax Filter Media is a ceramic ring that provides a bacteria paradise for your fish tank. The pore system allows the good bacteria to thrive and keep your aquatic friends healthy. It has more capacity than most biological filter media, which means less ammonia and nitrite to worry about. The rings are designed to allow water to flow through them just right for the most efficient filtration possible. It is easy to replace every three months, making maintaining your tank a breeze. It is perfect for both freshwater and marine environments. It is compatible with a whole bunch of different filter models, so no matter what kind of setup you have, Biomax has got your back. It looks really cool too! - More capacity than most biological filter media means less ammonia and nitrite to worry about - The rings are designed to allow water to flow through them just right for the most efficient filtration possible - Easy to replace every three months, so maintaining your tank is a breeze - Perfect for both freshwater and marine environments, because hey, why discriminate? - Compatible with a whole bunch of different filter models (see list above), so no matter what kind of setup you have, Biomax has got your back - It looks really cool too! New