• Replacement filter blocks for fluval 204 205 206 207 304 305 306 307 canister filter
• Custom cut to fit perfectly
• Great for removing large particles 
• Easy to clean for multiple uses
• Ideal for freshwater and saltwater aquariums

 MADE IN THE USA!

7" Filter Media Cup

Our 7" Filter Media Cup will replace all those filter socks you have hanging around. Made out of a BPA free Polypropylene, this 4" Filter Media Cup is a solid one piece design, that holds any filter media. The round design allows the Cup to slide into place, regardless of which "side" slides in first.
Directions: Wipe cup with vinegar, then simply place Filter Media Cup into your filter tray, and fill with desired filter media. To clean just replace your filter media. No rinsing necessary.­

Dimensions:  8 1/2" Height and 7 1/2" Diameter

Key Features: 

-300 micron mesh keeps fine media from washing out of the bag

-Bags are washable and reusable

-The bag size is 6" x 12"

-Includes a hook and loop seal to keep media secured in the bag

-Ideal for multiple types of media and is safe for both fresh and saltwater use

Dimension: 4 inch opening and 10 inch length 

Material: 100 micron felt

Great for wet dry sumps to create crystal clear polished water. Socks are washable allowing you to get multiple uses from the same sock.