Premium 200 Micron Aquarium Sock Filters - 4 Pack (4" Ring x 8" Long) - Custom Made in USA - Perfect for Reef Tanks, Fish Tanks & Saltwater Filtration Systems

Koral Filters provides high quality filters for aquariums and koi ponds. All of our products are made in USA.

High quality and resuable

Great mechanical filtration

Solid construction and heavy duty stitching

Crystal Clear Water

Made in USA